^{CARBON....................C ---  99.9%  Synthetic diamond.}

 

^{CERIUM OXIDE..............CeO2 --- 99.9%  May show excess O2 in some areas.}  

 

^{CESIUM BEARING GLASS......CsCaAlSiO4  --- About 8% CsO2. Reference value only.}

 

^{CHROMIUM......................Cr 99.7% ---  Crystalline metal. Contains 0.15% Al, 0.1%Fe, .05 Si}

^{CHROMIUM OXIDE............Cr2O3 = Eskolaite --- 99.99%.  $30.00 Crystalline.} 

^{CHROMATE, LEAD...........PbCr2O4 = Crocoite --- 99.99% Crystalline hydrothermal material. (JZ) $20.00} 

^{COBALT.................................Co --- 99.9%  Pure crystalline metal.}  

^{COBALT ALUMINATE...............CoAl2O4 --- 99.9%   Brght blue crystalline.}

^{COBALT OXIDE.......................CoO --- 99.9%  Fine to coarse particles of glassy melt.}  

 

^{COPPER...................................Cu = Native copper --- 99.99%}

^{COPPER ANTIMONY SULFIDE.....Cu3SbS4 = Famatinite --- 99.99% $30.00 (GKC)}

^{COPPER ANTIMONY SULFIDE.....Cu12Sb4S13 = Tetrahedrite --- Crystalline  $30.00(GKC)} 

^{COPPER ARSENIC SULFIDE........Cu3AsS4 = Enargite ---  Crystalline [.07] $30.00 (GKC)} 

^{COPPER IODIDE........................CuI = Marshite --- 99.999% Crystalline.} 

^{IRON TITANATE...................FeTiO3 = Ilmenite --- 99.99%.  Shows some exsolution texture.}

 

^{LANTHANUM HEXABORIDE.....LaB6.1 --- 99.99% $25.00. Single crystal electron emitter material.}

^{LANTHANUM OXIDE...............La2O3 ---  99.9%  Some areas may show slight excess oxygen.}

 

^{LEAD.................................Pb = Native Lead --- 99.99%. Oxidizes, picks up contamination}

^{LEAD CHLORIDE.................PbCl2 = Cotunnite --- 99.9%. Crystalline.}

^{LEAD CHROMATE...............PbCrO = Crocoite ---  99.5%.  Synthetic crystals. $20.00  (JZ)}

^{LEAD IODIDE......................PbI2 ---  99.5%}

^{LEAD MOLYBDATE.............PbMoO4 = Wulfenite --- 99.9% Crystalline}

^{LEAD OXIDE.......................PbO = Massicot and Litharge --- 99.9% Crystalline}

^{LEAD OXIDE.......................PbO2 = Plattnerite --- 99.9% Crystalline}

^{LEAD OXIDE........................Pb3O4 = Minium --- 99.9% Crystalline}

^{LEAD SELENIDE..................PbSe = Clausthalite --- 99.9%  Crystalline}

^{LEAD SILVER Sb SULFIDE....Pb4Ag6Sb6S16 = Diaphorite --- 99.9% Some Sb incl.[0.15] $30.00 (GKC)}

^{LEAD Bi SELENIDE SULFIDE..2PbSe AgBiS2 ---  Crystalline. Contains some incl. $30.00 (GKC).}

^{LEAD SULPHATE.................PbSO4 = Anglesite --- 99.9% Synthetic crystals. $25.00 (JZ.PS)}

^{LEAD SULFIDE....................PbS = Galena --- 99.9% Coarsely crystalline. $20.00 (GKC).}

^{LEAD TELLURIDE.................PbTe = Altaite --- 99.9%  Coarsely crystalline. $30.00 (GKC).} 

 

^{LITHIUM TANTALATE.........LiTaO3 --- 99.99%}

 

^{LUTETIUM............................... Lu --- 99.9%  Fairly stable, may need occasional re-polishing.}

^{LUTETIUM FLUORIDE ..............  LuF3 --- 99.9%  Crystalline.  Fused from powder in oxygen.}

^{LUTETIUM OXIDE....................  Lu2O3 --- 99.9%   Fused from powder in oxygen.  May show some non-stoichiometric areas.}  

^{LUTETIUM ORTHOSILICATE......  Lu}₂^SiO₅^{:Ce (trace)   Single crystal material.  $45.00}

 

^{MAGNESIUM....................Mg --- 99.9%.  Oxidizes, poor polish.}

^{MAGNESIUM FLUORIDE.....MgF2 = Sellaite --- 99.9+%.  Slightly moisture sensitive.}

^{MAGNESIUM OXIDE...........MgO = Periclase --- 99.9% Finely crystalline. (0.1)} 

^{MAGNESIUM TITANATE.....MgTiO3 = Geikelite. 99.9%  Finely crystalline. (0.25)}

 

^{MANGANESE.....................Mn --- 99.99%}

 

^{MERCURIOUS CHLORIDE..... HgCl2 --- 99.9%. Coarsely crystalline.}

^{MERCURIY IODIDE.............. HgI2   = Coccinite --- 99.7%. Coarsely crystalline.}

^{MERCURY OXIDE................HgO = Montroydite --- 99.0%+  Crystalline from vacuum melt.}

^{MERCURY SELENIDE......... .HgSe = Tiemannite --- 99.0%+} 

^{MERCURY TELLURIDE....... .HgTe = Coloradoite --- 99.9%  Crystalline. $30.00 (GKC)}

 

^{MOLYBDENUM.....................Mo --- 99.9% Crystalline metal.}

^{MOLYBDENUM TRIOXIDE.......MoO3 = Molybdite --- 99.99%  Soft.}

 

^{NEODYMIUM.......................Nd --- 99.9%.  May be too moisture sensitive for use as a standard.}

^{NEODYMIUM OXIDE.............Nd2O3 --- 99.9%   May show slight excess oxygen in some areas.}

 

^{NICKEL.............................Ni --- 99.99%  Pure crystalline metal.}

^{NICKEL ARSENIDE.............NiAs = Niccolite --- 99.99% Crystalline (GKC). ($30.00)}

^{NICKEL DIOPSIDE GLASS...NiMgCaSi2O6 --- Transparent dark green fragments. (0.5mm)  (HQAA) $30.00}

^{NICKEL SULFIDE................NiS = Millerite --- 99.9%. 100 um crystalline particles.  (GKC)}

^{NICKEL SULFIDE................Ni2S3 --- 99.9%  200um crystalline particles.  (GKC).}

^{NIOBIUM.......................Nb ---99.9% Crystalline metal.}

^{NIOBIUM OXIDE.............Nb2O5 --- 99.8%  White crystalline.}

^{NIOBIUM OXIDE ............NbO2 --- 99.9% Black crystalline.}

^{NIOBIUM OXIDE ............Nb2O3 --- 99.9% Bluish black crystalline.}

^{NIOBIUM OXIDE ............NbO --- 99.9% Black crystalline.  Some intergrowth with NbO2.}

 

^{OSMIUM........................Os --- 99.9%.  No longer available.  See natural osmium bearing minerals.}

 

^{PALLADIUM.................Pd --- 99.9%}

^{PALLADIUM SULFIDE....PdS = Vysotskite --- 99.9%  $95.00 (LJC).}

^{PALLADIUM SULFIDE....PdS = Vysotskite --- 99.7%  $30.00 (Aldrich)}

 

^{PLATINUM.......................Pt --- 99.9%.} 

^{PLATINUM IRON...............PtFe3 --- = Isoferroplatinum. Very limited supply. $95.00 (LJC)}

^{PLATINUM Pd SULFIDE.....Pd.7Pd.3S = Braggite --- Pt=68.1,Pd=15.92,S=15.98. $95.00 (LJC)}

^{PLATINUM SULFIDE..........PtS2 = Cooperite --- 99.9% $95.00 (LJC)}

^{PLATINUM SULFIDE..........PtS2 = Cooperite --- 99.7% $30.00 (Aldrich)} 

 

^{PRAESODYMIUM...............Pr --- 99.9% Oxidizes rapidly.}

^{PRAESODYMIUM OXIDE.....Pr2O3 --- 99.9%  May contain slight excess oxygen in places.}

^{PRAESODYMIUM OXIDE.....Pr6O11 --- 99.5%   May contain slight excess oxygen in places.}

 

^{RHENIUM...................Re --- 99.9%   Minor rhenium oxide intergrowths.}

 

^{RHODIUM...................Rh --- 99.9%}

 

^{RUBIDIUM BEARING GLASS....RbAlCaSiO2 --- Contains about 7% Ru2O. Reference value only.}

 

^{RUTHENIUM.................Ru --- 99.9%  Sintered in oxygen.  Some RuO2 intergrowth.}

 

^{SAMARIUM ...................Sm --- 99.9%   Decomposes in water.} 

^{SAMARIUM OXIDE..........Sm2O3 --- 99.9%  May contain excess oxygen.}

 

^{SCANDIUM..................Sc ---  99.9%.}

^{SCANDIUM OXIDE........Sc2O3 --- 99.9%. May contain excess oxygen.}

^{SILVER TIN Te SULFIDE......Ag8SnTe2S4 = Canfieldite --- 99.9% $30.00  Some Ag2Te incl. (GKC).}

 

^{STRONTIUM CHROMATE......SrCrO4 --- 99.5% Crystalline.  Some non-stoichiometric areas.}

^{STRONTIUM FLUORIDE........SrF2 --- 99.9%}  

^{STRONTIUM TITANATE........SrTiO3 --- 99.9%} 

^{STRONTIUM ZIRCONATE......SrZrO3 --- 99.9%}

 

^{TANTALUM..................Ta --- 99.9%}

^{TANTALUM OXIDE........Ta2O5 --- 99.9%}

 

^{TELLURIUM.................Te --- 99.99%}

^{TELLURIUM OXIDE........TeO2 = Tellurite --- 99.99%.} 

 

^{TERBIUM...................Tb --- 99.99%   Pure metal.}

^{TERBIUM OXIDE.........Tb4O7 --- 99.9% as powder, melt product may contain excess oxygen.}

 

^{THALLIUM IODIDE.................TlI --- 99.9% Crystals from melt.}

^{THALLIUM TUNGTSTATE.......TlWO3 --- 99.9% Prochem.}

 

^{THORIUM OXIDE.............ThO2 --- 99.6%  Melt product. May contain small voids.}

 

^{THULIUM...................Tm --- 99.9%.  May need occasional re-polishing.}

^{THULIUM OXIDE.........Tm2O3 --- 99.9%  May contain excess oxygen in places.}

 

^{TIN.......................Sn --- 99.99%  Somewhat soft.  Fair polish, but some lap transfer}

^{TIN OXIDE..............SnO2 --- 99.5%} 

^{TIN SULFIDE...........SnS --- 99.0%} 

 

^{TITANIUM...................Ti --- 99.9%}

^{TITANIUM OXIDE.........TiO2 --- 99.9%} 

^{TITANATE, IRON.........FeTiO3 --- 99.9%  see iron titanate.}

 

^{TUNGSTEN...................W --- 99.9%  Crystalline metal wire.}

^{TUNGSTEN CARBIDE.....WC --- 99.5%  Dense sintered product.}

 

^{URANIUM OXIDE..............UO2 --- 99.99%.  Stable and takes high polish. ($20.00)}

 

^{UREA.......................CH4N2O --- Beam sensitive.}

 

^{VANADIUM ...................V --- 99.9%.}

^{VANADIUM PENTOXIDE...V2O5 --- 99.5%   Soft and finely crystalline.}

 

^{YTTRIUM..........................Y --- 99.9%.  Needs occasional re-polishing.}

^{YTTRIUM ALUMINATE:Ce....Y3Al5O12 --- "YAG" cerium doped. Ultra-bright beam alignment target.}

^{YTTRIUM OXIDE.................Y2O3 --- 99.9%  May contain slight excess oxygen in places.}

 

^{YTTERBIUM..................Yb --- 99.9%.   Slightly moisture sensitive.}

^{YTTERBIUM OXIDE............Yb2O3 --- 99.9%  May contain slight excess oxygen in places.}

 

^{ZINC.......................Zn --- 99.9%.  Poor polish.}

^{ZINC CADMIUM SULFIDE......CdS0.01 ZnS99.0 = Sphalerite, cadmium bearing.  Crystalline.  (GKC)}

^{MERLINS SILVER.............Cu=60, Mn=25, Zn=10, Ni=5}

^{MILD STEEL FILLER ROD......C=0.06, Mn=0.25, P=0.025, S=0.035, Si=0.03 all maximum values.      Fe=balance}

^{MISCH METAL................Ce,La,Nd,Fe mixture. Striker flint metal.  Reference value only.}

^{MONEL 400..................Ni=63.00, Fe=2.5, Si=0.5, Mn=2.0, C=0.3, Cu=31.0, S=0.024}

^{MONEL FILLER METAL 67......Ni=31.0, Cu=67.5, Ti-0.3, Si=0.1, Fe=0.5, Mn=0.8  Mn as MnS inclusions.}

^{NEODYMIUM IRON BORIDE......NdFeB --- Rhone Poulenc alloy.  Nd=30.51, Fe=65.1, B=1.05, Dy=1.46 (50um texture)}

^{NICHROME...................Ni=80, Cr=20.}

^{NICKEL SILVER..............Cu=64.5, Zn=17.25, Ni=18.0, Mn=.25  Mn as MnS inclusions.}

^{PEWTER, MODERN.............Sn=96, Sb=3.0, Cu=1.0, Pb=0.02,}

^{RENE 41....................Ni=52.0, Co=11.0, Cr19.0, Mo=10.0, Fe=5.0, Si=0.1, Mn=0.1, C=0.09, Al=1.5, Ti=3.1}

^{SAMARIUM COBALT IRON.......SmCoFe --- Rhone Poulenc alloy. Sm=24.8,Co=49.2,Cu=5.1,Zr=2.9,Fe-18.0 (40um tex.)}

^{SILVALOY 0 ................Cu=92.75, P=7.25}

^{SILVALOY 15 ...............Ag=15.0, Cu=80.0, P=5.0}

^{SILVALOY A-56-T ...........Ag=56.0, Cu=22.0, Zn=17.0, Sn=5.0}

^{SILVER, STERLING...........Ag=92.5, Cu=7.5}

^{SOLDER, SILVER 1365........Ag=70, Cu=20, Zn=15}

^{SOLDER, SILVER 1145........Ag=45, Cu=15, Zn=16, Cd=24}

^{SOLDER, TIN-LEAD...........Sn=32, Pb=68}

^{SOLDER, TIN-LEAD...........Sn=50, Pb=50}

^{SOLDER, LEAD FREE..........Sn=95, Sb=5}

^{STAINLESS STEEL 301........Ni=7.0, Cr=17.0, Si=1.0, Mn=2.0, C=0.015,P=0.045,S=0.03,  Fe=bal. MnS inclusions}

^{STAINLESS STEEL 303 S......Ni=9.12,Cr=18.47,Si=0.40,Mn=0.97,C-  0.05,P=0.04,S=0.18,Mo=0.19,Fe=bal. NBS std.}

^{STAINLESS STEEL 303 Se.....Ni=8.87,Cr=17.41,Mn=0.73,Mo=0.25,Co=0.09,Si=0.65,C=0.05,P=0.14, Cu=0.21,S=0.01, Se=0.24  NBS standard.}

^{STAINLESS STEEL 308L.......Cr=21.0, Ni=10.0, Mo=0.5, Mn=1.5, Si=0.4, Cu=0.5, Fe=balance}

^{STAINLESS STEEL 309L.......Cr=24.0, Ni=13.0, Mo=0.5, Mn=1.5, Si=0.4, Cu=0.5, Fe=balance}

^{STAINLESS STEEL 316L.......Cr=19.0, Ni=12.5, Mo=2.5, Mn=1.5, Si=0.4, Cu=0.5, Fe=balance}

^{STAINLESS STEEL #T 430.....Cr=17.0, Si=1.0, Mn=1.0, C=0.12, P=0.04, S=0.03, Fe = balance.}

^{STAINLESS STEEL #T 347.....Ni=11.0, Cr=18.0, Si=1.0, Mn=2.0, P=0.045, S=0.03, Nb +Ta = 0.8}

^{STEEL, CrMo UN 41300......Mo=.18, Cr=0.94, C=0.32, Mn=.56, P=0.01, Si=0.21, Cu=.010, Fe=balance}

^{TERBIUM IRON...............TbFe --- Rhone Poulenc alloy.  Tb=87.9, Fe=12.1.  (90 um texture)}

^{TITANIUM CARBIDE,WC,NiMo...TiCWCNiMo --- TiC=62, WC=10, Ni=18, Mo=10  (RO-99) Siemens} 

^{TITANIUM 45 NIOBIUM........Ti=45%, Nb=55%  Texture not determined yet. (CA 306)}

^{"TIVAL"....................Ti=90, V=4, Al =6.}

^{TUNGSTEN COBALT CARBIDE....WCoC --- Co = 6.0%, balance = WC}

^{WASPALOY...........Co=13.5, Cr=19.5, Mo=4.3, Fe=2.0, Si=0.8, Mn=0.5, C=0.06,Al=1.25, Ti=2.9%, Cu=0.1, Zr=0.06}

 

^GLASSES

 

 

^{Cesium Bearing Glass.......Al,Ca silicate glass with about 7% CsO2.  Reference value only.}

^{Lead Bearing Glasses.......Pure lead silicate glasses with Pb from 8% to 85% PbO. ("lead  bisilicate")}

^{Nickel Diopside Glass......SiO2=53.3, CaO=25.0, MgO=14.3, NiO=6.44, FeO=0.15, Al2O3=0.85    (AMNH)}

^{Pyrex......................SiO2=81, Al2O3=2, B2O3=13, Na2O=4}

^{Rubidium Bearing Glass.....Al,Ca silicate glass which contains about 4% rubidium oxide. Reference value only.}

^{Zinc Bearing Glasses.......Na,Al,Ca silicate glass with 6% ZnO.}

 

 

^{NATURAL MINERALS}

 

^{With Theoretical Formulae}  

 

^{ACANTHITE...........Ag2S --- Guanajuato, Mex. Beam sensitive.  (Use LG silver sulfide)}

^{ACTINOLITE..........Ca2(Mg,Fe)5Si8O22(OH)2 ---  Chelan Co., Washington, Sweden (HQAA).}

^{ADAMITE.............Zn2AsO4(OH) ---  Durango, Mexico, Gold Hill, Utah.}

^{AEGIRINE............NaFeSi2O6. --- Wasua, Wisconsin,  Mt. St. Hiliaire, Quebec.}

^{AEGIRINE............Na(Fe,Mn)Si2O6 --- Franklin, NJ.   Mn rich variety, "schefferite".}

^{AESCHYNITE..........(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH) --- Locality unknown.  (SANA)}

^{AFGHANITE .........Na}4.8^{Ca_3.5K_0.7Si_6.1Al_5.9O₂₅(SO₄)_1.27Cl_1.55(CO₃)_0.1·0.5(H₂O) Bahdakhistan, Afghanistan. Pure grains.} 

^{AGRELLITE...........NaCa2Si4O10F --- Temiskaming Co., Quebec. Fresh and glassy cleavages.}

^{AGUILARITE..........Ag4SeS --- Guanajuato, Mexico.  Species status of this mineral doubtful.}

^{AJOITE..............(K,Na)Cu7AlSi9O24(OH)6 3H2O --- Ajo, Arizona.}

^{ALABANDITE..........MnS ---  Mexico, Arizona.  Coarser grained than LG MnS.}

^{ALBITE..............(Na,Ca)AlSi3O8 --- Amelia Co, VA and many other.  (HQAA) Virginia} 

^{ALGODONITE..........Cu6As  Keeweenaw Co., Michigan ---  May show intergrowths with domeykite.}

^{ALLANITE............(Ce,Ca,Fe)2(Al,Fe)3Si3O12(OH) --- Ravalli Co, MT.   Very fresh. (SANA)}

^{ALLEGHANYITE........Mn5Si2O8(OH)2 --- Alleghany Co., N.Carolina.  Intergrowths and zoning}

^{ALMANDINE...........Fe3Al2(SiO4)3 --- Wrangel Island, AK and many other locales.}

^{ALSTONITE...........CaBa(CO3)2 --- Fallowfield Mine, Northumberland, England.}

^{ALTAITE.............PbTe --- Organ, New Mexcio. (Use LG lead telluride)}

^{ALUNITE.............KAl3(SO4)2(OH)12 --- Marysvale, Utah. Near ideal composition.}

^{AMBER...............C:H:O --- Baltic Sea.  Beam sensitive.}

^{AMBLYGONITE.........(Li,Na)AlPO4(F,OH) --- Conselhiero Pena, Minas Gerais, Brazil.  Gemmy.}

^{ANALCIME............NaAlSi2O6 H2O --- Two Hug Quarry, Kings Valley, Oregon.}

^{ANAPAITE............Ca2Fe(PO4)2 4H2O --- Tuscany, Italy}

^{ANATASE.............TiO2 --- Hardangervidda, Norway.}

^{ANCYLITE............SrCe(CO3)2(OH) H2O --- Mont. St. Hilaire, Quebec.}

^{ANDALUSITE..........Al2SiO2 --- Brazil.  Gemmy crystals.}

^{ANDESINE............(NaCa)AlSi2O8 --- Essex Co., New York; Victoria, Australia (An48)(HQAA)}

^{ANDORITE............AgPbSb3S6.--- Ito Mine, Oruro, Bol. Single crystals. (Use LG AgPbSb3S6)}

^{ANDRADITE...........Ca3Fe2(SiO4)3 --- Stanley Butte, Arizona. Many other locales.}

^{ANDRADITE...........Ca3Fe2(SiO4)3 --- Italy.  Variety demantoid.}

^{ANGLESITE...........PbSO4 --- Morocco. (Use LG lead sulphate).}

^{ANHYDRITE...........CaSO4 --- Hants Co., Nova Scotia.  Fine granular.}

^{ANKERITE............Ca(Fe,Mg)(CO3)2 --- North Bend, Washington.  Many other locales.} 

^{ANNABERGITE.........Ni3(AsO4)2 8H2O --- Laurium, Greece.}

^{ANORTHITE...........(Ca,Na)Al Silicate --- Miyake, Island, Honshu, Japan.}

^{ANORTHOCLASE........(Na,K)Al Silicate --- Larvik, Norway.}

^{ANTHOPHYLLITE.......(Mg,Fe)7Si8O22(OH)2 --- Minas Gerais, Brazil.  Fresh compact material.}

^{ANTIMONPEARCEITE....(Ag,Cu)16(Sb,As)2S11   --- Tintic, Utah. [.35].}

^{ANTIMONY............Sb --- Sonora, Mexico.  (Use LG antimony).}

^{ARGENTITE...........see Acanthite and (LG) silver sulfide.}

^{ARFVEDSONITE........Na3(Fe,Mg)4FeSi8O22(OH)2 --- Intervale, New Hampshire and Okanogan Co., WA.}

^{ARGYRODITE..........Ag8GeS6 --- Bolivia.   [0.2]}

^{ARMENITE............BaCa2Al6Si9O30 2H2O --- North Bend, Washington.}

^{ARMSTRONGITE........CaZrSi6O15 2.5H2O --- Mongolia.}

^{ARROJADITE..........KNa4CaMn4Fe10Al(PO4)12(OH,F)2 --- Keystone, South Dakota. Intergrowths.}

^{ARSENIC.............As --- Bau, Sarawak.  Contains 2.3% Sb.  Use LG arsenic.}

^{ARSENIOSIDERITE.....Ca3Fe4(AsO4)4(OH)4(OH)6 3H2O --- Gold Hill, Utah. (0.3)} 

^{ARSENOLITE..........As2O3 --- Manhattan, Nevada and Franklin, Washington.}    

^{ARSENOPYRITE........FeAsS --- North Bend, Washington --- Precious metal-free.}

^{ARTHURITE...........CuFe2(AsO4,PO4,SO4)2(O,OH)2 4H2O --- Majuba Hill Nevada. Fibrous. [0.2]}

^{ARTINITE............Mg2CO3(OH)2 3H2O --- San Benito Co., California.  Compact fibrous.}

^{ASTROPHYLLITE.......(K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7 --- St. Peter's Dome, Colorado.}

^{ATACAMITE...........Cu2Cl(OH)3 --- San Manuel, Arizona.}

^{ATELESITE...........Bi8(AsO4)3O5(OH)5 --- Gold Chain Mine, Juab Co., Utah.  [0.4]}

^{AUGELITE............Al2PO4(OH)3 --- Yukon province, Canada.}

^{AUGITE..............(Ca,Na)(Mg,Fe,Al)(Si,Al)2O6 --- Hull, Quebec.}

^{AURICHALCITE........(Zn,Cu)5(CO3)2(OH)6 --- Durango, Mexico.}

^{AUSTINITE...........CaZnAsO4OH --- Gold Hill, Utah.}

^{AUTUNITE............Ca(UO2)2(PO4)10-12 H2O --- Mt. Spokane, Washington.  Beam sensitive.}

^{AWARUITE............Ni2Fe to Ni3Fe --- Josephine Co., Oregon.}   

^{AXINITE.............See Ferroaxinite  and Manganaxinite}

^{AZURITE.............Cu3(CO3)2(OH)2 --- Bisbee, Arizona}

 

^{BABINGTONITE........Ca2Fe2Si5O14(OH) --- Westfield, Massachuesets, and Norway.}

^{BADDELYITE..........ZrO2 --- Minas Gerais, Brazil, Namibia. Contains some Ca, and Hf.}

^{BAHIANITE...........Al5Sb3O14 --- Paramiram, Brazil.}

^{BAOTITE.............Ba4(Ti,Nb)8Si4O28Cl --- Ravalli Co., Montana.  Single crystals.} 

^{BARBOSALITE.........Fe3(PO4)2(OH)2 --- Keystone, South Dakota}

^{BARITE..............BaSO4 --- Many localities}

^{BARIUM  PHARMACOSIDERITE...BaFe4(AsO4)3O2(OH)5 5H2O --- Gold Hill, Utah.   [0.2]}

^{BARNESITE...........Na2V6O16 3H2O --- Thompson, Utah.  Somewhat beam sensitive.}

^{BARYTOCALCITE.......BaCa(CO3)2 --- Cumberland, England.}

^{BASTNAESITE.........(Ce,La)(CO3)F --- Mountain Pass, California.  Intergrowths.} 

^{BASTNAESITE (Ce)....(Ce,La)(CO3)F --- Mongolia and Lincoln Co., NM.  (SANA).}     

^{BAUMHAUERITE........Pb3As4S9 --- Binnental, Switzerland.}

^{BAVENITE............Ca4Be2Al2Si9O26 --- Slocum Quarry, East Hampton, Connecticut. Compact.}

^{BAYLDONITE..........Cu3PbH(AsO4)2(OH)2 --- May show zonation and intergrowths.  [0.2]}

^{BAZIRTITE...........BaZrSi3O9 --- Big Creek, Fresno Co., California.}

^{BEAVERITE...........Pb(Cu,Fe,Al)3(SO4)2(OH)3 --- Crystalline material.  (SANA) [0.2]}

^{BEMENTITE...........Mn8Si6O15(OH)10 --- Lake Cresent, WA., and Inyo Co., CA. Intergrowths.}

^{BENITOITE...........BaTiSi3O8 --- San Benito Co., California.}

^{BERAUNITE...........Fe6(PO4)4(OH)5 4H2O --- Hagendorf, Bavaria, Germany.}

^{BERMANITE...........Mn3(PO4)2(OH)2 4H2O --- Keystone, South Dakota. (0.25)}

^{BERTHIERITE.........FeSb2S4 --- Honshu, Japan.}

^{BERTRANDITE.........Be4Si2O7(OH)2 --- South Acworth, New Hampshire.}

^{BERYL...............Be3Al2Si6O18 --- Minas Gerais Brazil.}

^{BERYL...............Be3Al2Si6O18 --- Variety emerald,  Alexander Co., North Carolina}

^{BERYLLONITE.........NaBePO4 --- Minas Gerais, Brazil.}

^{BERZELIANITE........Cu2Se --- Bukov, Czechoslovakia.  Some intergrowths possible.}

^{BETAFITE............(Ca,Na,U)2(Ti,Nb,Ta)2O6(OH) --- Bancroft, Ontario.  (SANA)}

^{BETEKHTINITE........Cu10(Fe,Pb)S6 --- Antwerp, New York.}

^{BEUDANTITE..........PbFe3(AsO4)(SO4)(OH)6 ---  Gold Hill, Utah.  Shows coarse zoning.  [0.3]}

^{BEYERITE............Ca(BiO)2(CO3)2 --- Dixon, New Mexico.  Intergrown with bismuthinite.}

^{BILLINGSLEYITE......Ag7(Sb,As)S6 --- Tintic, Utah [0.3]. $50.00 Limited supply.}

^{BINDHEIMITE.........Pb2Sb2O6(O,OH) --- Hunters, Washington.  May show zonig.}

^{BIOTITE.............K(Mg,Fe)3(Al,Fe)Si3O10(OH,F)2 --- Topsham, Maine.  (HQAA) 100 x 5 um plates.}

^{BISMOCLITE..........BiOCl --- Taos, New Mexico.  Shows some intergrowth with bismutite.}

^{BISMUTH.............(Use LG bismuth)}

^{BISMUTHINITE........Bi2S3 --- Ely,Nevada.  (Use LG bismuth sulfide)}

^{BISMUTITE...........(BiO)2CO3O2 --- Colorado}

^{BITYITE.............CaAl2Li(Al,Be)Si2O10(OH)2 --- Harding Mine, New Mexico.} 

^{BIXBYITE............(Mn,Fe)O3 --- Thomas Mountains, Utah}

^{BLIXITE.............Pb2Cl(O,OH)2 --- Mendip Hills, Somerset, England.}

^{BOLEITE.............Pb26Ag10Cu24Cl62(OH)48 3H2O ---  Baja California}

^{BORACITE............Mg3B7O13Cl --- Yorkshire, England}

^{BORNITE.............Cu5FeS4 ---  Cuprum, Idaho and many other localities.  (Use LG CuFeS)}

^{BOULANGERITE........Pb5Sb4S11 --- Hunters, Washington.}

^{BOURNONITE..........CuPbSbS3 ---  Peru and many other localities.}

^{BRAGGITE............(Pt,Pd,Ni)S ---  Stillwater Complex, Montana. Some intergrown Vysotskite}

^{BRAUNITE............Mn7SiO12 --- India}

^{BRAVOITE............(Ni,Fe)S2 --- Eifel, Germany.   Some pyrite may be intergrown}

^{BRAZILIANITE........NaAl3(PO4)2(OH)4 --- Minas Gerais, Brazil.}

^{BREITHAUPTITE.......NiSb --- Nipissing Mine, Cobalt, Ontario}

^{BREWSTERITE.........(Sr,Ba,Ca)(AlSi3O8)2 5H2O --- Strontian, Scotland, Yellow Lk. B.C. (SANA)}

^{BRITHOLITE..........(Ce,Ca)5(SiO4,PO4)3(OH,F) --- Custer, South Dakota. (SANA)}

^{BROCHANTITE.........Cu4SO4(OH)6 --- Blackpine Mine, Montana, and Tsumeb, Namibia.}

^{BROMARGYRITE........(Use LG silver bromide).}

^{BROOKITE............TiO2 --- Whatcom Co., Washington, and Magnet Cove, Arkansas.}

^{BRUCITE.............Mg(OH)2 --- Lancaster, Pennsylvania.  Soft, but polishes.}

^{BUERGERITE..........NaFe3Al6Si6B3O30F --- Durango, Mexico.}

^{BUSTAMITE...........(Mn,Ca)3Si3O9 --- Franklin, New Jersey.}

^{BYTOWNITE...........Ca,NaAlSi2O8 --- Crystal Bay, Minnesota  (HQAA).}

 

^{CACOXENITE..........Fe4(PO4)3(OH)3 12H2O --- Polk Co., Arkansas.  Soft.}

^{CALAVERITE..........AuTe2  --- Colorado.  (See LG AuTe2).}

^{CALCIOVOLBORTHITE...CaCu(VO4)(OH) --- Monument Valley, Arizona}

^{CALCITE.............CaCO3 --- Mexico, as "Iceland Spar".  Many other locales.}

^{CALEDONITE..........Cu2Pb5(SO4)3CO3(OH)6 --- Challis, Idaho.}

^{CALLAGHANITE........Cu2Mg2(CO3)(OH)6 2H2O --- Gabbs, Nevada.}

^{CALOMEL.............HgCl ---  (Use LG mercurious chloride).}

^{CANCRINITE..........Na6Ca2Al6Si6O24(CO3)2 --- Bancroft, Ontario. May show intergrowths.}

^{CANNONITE...........Bi2O(OH)2SO4 ---  Marysvale, Utah.  Named after the listowner.}

^{CARACOLITE......... Na3Pb2(SO4)3Cl  --- Tarapaca, Chile.  Colorless crystals.}

^{CARBONATE - HYDROXLAPATITE.....Ca5(PO4,CO3)3(OH,F) --- Wyoming.}

^{CARLETONITE.........KNa4Ca4Si8O18(CO3)(OH,F) H2O --- Mont St. Hilaire, Quebec.  Gemmy.}  

^{CARMINITE...........PbFe2(AsO4)2(OH)2 ---   Sonora, Mexico.}

^{CARNOTITE...........K2(UO2)2(VO4)2 3H2O --- Yavapai Co, Arizona. Beam sensitive?}

^{CARPHOLITE..........MnAl2Si2O6(OH)4 ----  Germany. Semi-compact fibrous.}

^{CARROLITE...........Cu(Co,Ni)2S4 ---  Kitwe, Zambia.} 

^{CASSITERITE.........SnO2 ---  Tin City, Alaska.  Low Mn,Fe. Good beam alignment material.}

^{CATAPLEIITE.........Na2ZrSi3O9 2H2O --- Mont St. Hilaire, Quebec.}

^{CAVANSITE...........Ca(VO)(Si4O10) 4H2O --- Wahgoli, India. Gemmy crystals.}

^{CAYSICHITE..........Y2(Ca,Gd)2(Si,Al)4O10(CO3)3 4H2O --- Wakefield, Quebec. Fibrous. (SANA).}

^{CECHITE.............Pb(Fe,Mn)(VO4)(OH) --- Vranice, Czechoslovakia.}

^{CELESTITE...........SrSO4 --- Clay Center Ohio (white),  Morril, Kansas (orange).}

^{CERITE..............(Ce,Ca)9(Mg,Fe)Si7(O,OH,F)28 --- Bastnaes, Sweden.  Intergrowths.(SANA).}

^{CERNYITE............Cu2CdSnS4 --- Keystone, South Dakota.  One of the few cadmium minerals.}

^{CERULEITE...........Cu2Al7(AsO4)4(OH)13 12H2O --- Chile.  Beam sensitive?}

^{CERUSSITE...........PbCO3 --- Many Localites.  Good beam alignment material.}

^{CERVANTITE..........Sb2O4 --- Mexico.   (Use LG antimony oxide).}

^{CHABAZITE...........CaAl2Si4O12 6H2O --- Goble, Oregon.}

^{CHABOURNEITE........(Tl,Pb)5(Sb,As)21S34 --- Ja Roux, Htes. Alpes, France.  (SANA).}

^{CHALCOALUMITE.......CuAl4(SO4)(OH)12 3H2O --- Bisbee, Arizona.  Soft, beam sensitive.}

^{CHALCOCITE..........Cu2S ---  Butte, Montana.}

^{CHALCOMENITE........CuSeO3 2H2O --- Potosi, Bolivia.}  

^{CHALCOPHANITE.......(Zn,Fe,Mn)Mn3O7 3H2O --- Gold Hill, Utah. (SANA).}

^{CHALCOPHYLLITE......Cu18Al2(AsO4)3(SO4)3(OH)27 33H2O --- Reno, Nevada.}

^{CHALCOPYRITE........CuFeS2 --- Joplin, MO. (See LG CuFeS2)}

^{CHEVKINITE..........(Ca,Ce,Th)4(fe,Mg)2(Ti,Fe)3Si4O22 --- Kingman, Arizona. ( SANA )}

^{CHILDRENITE.........(Fe,Mn)Al(PO4)(OH)2  --- Yukon , Canada .}

^{CHIOLITE............Na5Al3F14 --- Ivigtut, Greenland .}

^{CHLORARGYRITE.......AgCl   Santa Cruz Co. --- Arizona .  Will show Br.}

^{CHLORITOID..........(Fe,Mg,Mn)2Al4Si2 O10(OH)4 --- Michigamme , Michigan .  ( SANA )}

^{CHONDRODITE.........Mg5(SiO4)2 (F,OH)2 --- Pargas , Finland}

^{CHROMITE............FeCr2O4 --- Many localities. All show Al and Mg (HQAA).}

^{CHRYSOBERYL.........BeAl2O4 --- Minas Gerais, Brazil .}

^{CHURCHITE...........(Y,Er,La)PO4 2H2O --- Sausalito , California . Fibrous. ( SANA ).}

^{CHRYSOCOLLA.........(Cu,Al)2H2Si2O5(OH)4 nH2O --- Brownlee Dam, Idaho .  Good, glassy material.}

^{CINNABAR............HgS --- Almaden , Spain .  (Use LG mercury sulfide)}

^{CLAUDETITE..........As2O3 --- (Use LG arsenic trioxide).}

^{CLAUSTHALITE........PbSe --- Lake Athebasca , Saskatchewan .  (Use LG lead selenide).}

^{CLINOCHLORE.........(Mg,Fe)5Al(Si3Al)O10(OH) --- Numerous localities. Texas , PA (HQAA).}

^{CLINOCLASE..........Cu3(AsO4)(OH)3 --- Majuba Hill , Nevada}

^{CLINOHEDRITE........CaZnSiO3(OH)2 --- Franklin , New Jersey .  May show some intergrowths.}

^{CLINOHUMITE.........(Mg,Fe)9(SiO4)4(F,OH)2 --- Gifu, Japan.}

^{CLINOPTILOLITE......(Na,K,Ca)6(Si,Al)36O72 20H2O --- Cape Lookout , Oregon .  Beam sensitive.}

^{CLINOTYROLITE.......Ca2CU9[(As,S)O4](O,OH)10 10H2O --- Lovelock Mine, Nevada .  Soft.}

^{CLINOZOISITE........Ca2Al3(SiO4)3(OH) --- Baker, Oregon .}

^{CLINTONITE..........Ca(Mg,Al)3(Al3Si)O10(OH)2 --- Helena , Montana .}

^{COALINGITE..........Mg10Fe2(CO3)(OH)24 2H2O --- Coalinga , California . [0.1] Slivers.}

^{COBALTITE...........CoAsS --- Cobalt, Idaho .}

^{COFFINITE...........U(SiO4)1-x(OH)4x ---  Thompson , Utah .  Variable composition. ( SANA ).}

^{COLEMANITE..........Ca2B6O11 5H2O --- Boron, California .   Beam sensitive.}

^{COLLINSITE .........Ca2(Mg,Fe)PO4)2 2H2O ---  Francois Lake , British Columbia .  ( SANA )}

^{COLORADOITE.........HgTe --- Harold Mine, Boulder Co., Colorado .  (Use LG HgTe).}

^{COLUSITE............Cu26V2(As,Sn,Sb)6S32 --- Butte , Montana .  ( SANA )}

^{CONICHALCITE........CuCA(AsO4)(OH) --- Tintic, Utah , and Pinal Co. AZ (crystals).}

^{CONNELLITE..........Cu19Cl4(SO4)(OH)32 3H2O --- Tintic, Utah}

^{COOKEITE............LiAl4(Si3Al)O10(OH)8 --- Governador, Minas Gerais, Brazil}

^{COPPER..............Cu --- Many localities (See also Metals and LG Material).}

^{CORDIERITE..........(Mg,Fe)2Al4Si5O18 --- Tanzania ?  Gemmy blue crystal (iolite).}

^{CORKITE.............PbFe3(PO4)(SO4)(OH)6 --- New Mexico .}

^{CORNETITE...........Cu3(PO4)(OH)3 --- Ndola , Zambia .}

^{CORNUBITE...........Cu5(AsO4)2(OH)4  --- Patagonia , Arizona   [0.2]}

^{CORNWALLITE.........Cu5(AsO4)2(OH)4 H2O --- Tintic, Utah    [0.3]}

^{CORONADITE..........PbMn8O16 ---  Santa Cruz Co., Arizona .}

^{CORUNDUM............Al2O3 --- Gallatin Gateway, Montana .  (Use LG aluminum oxide).}

^{COSALITE............Pb2Bi2S5. --- Wells , British Columbia   [0.3]}

^{COVELLITE...........CuS --- Butte , Montana . Some intergrown chalcocite.}

^{COWLESITE...........CaAl2Si3O10 5-6H2O ---  Burnt Cabin Creek, Wheeler Co., Oregon}

^{CRANDALLITE.........CaAl3(PO4)2(OH)5 H2O --- Fairfield , Utah}

^{CREASEYITE..........Cu2Pb2(Fe,Al)2Si5O17 6H2O ---  Tiger, Arizona .  Fibrous.}

^{CREEDITE............Ca3Al2(SO4)(F,OH)10 2H2O --- Colquiri , Bolivia .}

^{CRICHTONITE.........(Pb,Sr,Y)(Ti,FeMn)21O38 --- Kubitscheck, Minas Gerais, Brazil . ( SANA )}

^{CROCOITE............PbCrO4  --- Dundas , Tasmania .   (Use LG lead chromate).}

^{CROSSITE............Na2(Mg,Fe)3(Al,Fe)2Si8O22(OH)2 --- San Benito Co., California .}

^{CRYPTOMELANE........KMn16O16 --- Reaphook Hill , South Australia .}

^{CRYOLITE........... Na3AlF --- Ivigtut, Greenland .}

^{CUBANITE............CuFe2S3 --- Monte Christo , Washington . Can show intergrowths.}

^{CUPRITE.............Cu2O --- Bisbee , Arizona .   (Use LG Cu2O)}

^{CUPROBISMUTITE......Cu10Bi12S23 --- Marysvale , Utah .  Some intergrown bismuthinite.}

^{CUPROSKLODOWSKITE...Cu(UO2)2(SiO4)2 2H2O --- Katanga, Zaire}

^{CUPROTUNGSTITE......Cu2WO4(OH)2 --- Clifton , Utah .  May be too soft.}

^{CURIENITE...........Pb(UO2)2(VO4)2 5H2O --- Mounana , Gabon . Offered as "cloud mount".[0.07]}

^{CUSPIDINE...........Ca4Si2O7(F,OH)2 --- Vesuvias, Napoli , Italy .  [0.2]}

^{CYANOTRICHITE.......Cu4Al2(SO4)(OH)12 2H2O --- Chuquicamata , Chile . [0.2]. Thin fibrous.}

^{CYLINDRITE..........Pb3Sn4FeSb2S14 --- Poopo , Bolivia .}

 

^{DACHIARDITE.........(Ca,Na2, K2 )5Al10 Si38O96 25H2O --- Cape Lookout , Oregon .  Beam sensitive.}

^{DADSONITE...........Pb10+xSb14-xS31-x --- Harz , Germany .   May be intergrown.}

^{DANALITE............(Fe,Mn,Zn)4Be3(SiO4)3S --- Sawtooth Range, Idaho . ( SANA )}

^{DANBURITE...........CaB2(SiO4)2 --- Potosi , Mexico .}

^{DANNEMORITE.........Mn2(Fe,Mg)5Si8O22(OH)2 --- Sweden .  Brittle fibers.}

^{DATOLITE............CaBSiO4(OH) --- Many Localities.}

^{DAVIDITE............(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38 --- Radium Hill, Australia.  ( SANA )}

^{DAWSONITE...........NaAl(CO3)(OH)2 --- Mont St. Hilaire , Quebec .  Fibrous  [0.1]. (}

^{DEERITE.............(Fe,Mn)6(Fe,Al)3Si6O20(OH)5 --- Laytonville , California . Intergrowths.}

^{DELAFOSSITE.........CuFeO2 --- Bisbee , Arizona .}

^{DELHAYELITE.........(Na,K)10Ca5Al6Si32O80(Cl2F2,SO4)3 18H2O --- Russia .}

^{DENNINGITE..........(Mn,Ca,Zn)Te2O5 --- Sonora, Mexico .}

^{DESCLOIZITE.........Pb(Zn,Cu)(VO4)(OH) --- Mounana , Gabon .}

^{DEVILLITE...........CaCu4(SO4)2(OH)6 3H2O --- Obershulenberg, Harz Mtns , Germany .  [0.15]}

^{DIABOLEITE..........Pb2CuCl2(OH)4 --- Tiger, Arizona .}

^{DIAMOND.............C --- Many localities, natural and synthetic.}

^{DIAPHORITE..........Ag3Pb2Sb3S8 --- Van Silver Mine, British Columbia . [0.2]}

^{DIASPORE............AlO(OH) --- Gemmy colorless cleavages, Kittitas Co, WA.  Also gemmy brown, Turkey.}

^{DIGENITE............Cu9S5 --- Butte, Montana.  Chalcocite intergrowths.}

^{DIOPSIDE............MgCaSi2O6.--- Italy, Washington, Many other localities.}

^{DIOPSIDE............Mg(Cr)CaSi2O6 --- Schaeffer Kimberlite, Wyoming.  Deep green chromian variety.}

^{DIOPSTASE...........CuSiO2(OH)2 --- Tsumeb, Namibia}

^{DJURLEITE...........Cu31S16 --- San Benito Co., California, and Butte , Montana .}

^{DOLOMITE............CaMg(CO3)2 --- Styria, Austria. (HQAA).  Thin cleavage plates.}

^{DOMEYKITE...........Cu3As --- Keeweenaw Co., Michigan .  May be intergrown with algodonite.}

^{DRAVITE.............NaMg3Al6(BO3)3Si6O18(OH,F)4 --- Australia and Pierrepont , New York .}

^{DRESSERITE..........Ba2Al4(CO3)4(OH)8 3H2O --- Mont St. Hilaire , Quebec .}

^{DUFRENITE...........Fe5(PO4)3(OH)5 2H2O --- Cherokee Co.,} Alabama and Polk Co., Arkansas .

^{DUFRENOYSITE........Pb2As2S5 --- Binnental , Switzerland .}

^{DUFTITE.............CuPb(AsO4)(OH) --- Mt. Bonney , Australlia and Wickenburg , Arizona .}

^{DUMORTIERITE........Al7(BO3)(SiO4)3O3 --- North Bend , Washington . Coarse crystalline.}

^{DUNDASITE...........PbAl2(CO3)2(OH)4 H2O --- Belgium . Soft.}

^{DURANGITE...........NaAl(AsO4)F --- Thomas Range , Utah .}

^{DUSSERTITE..........BaFe3(AsO4)2(OH)5 --- Djebel Debar, Constantine , Algeria .}

^{"DYSANALITE"........(Nb,Ca)TiO3 --- Niobian perovskite.  Magnet Cove, Arkansas .}

^{DYSCRASITE..........Ag3Sb --- St. Andreasberg , Germany .}

 

^{ECKERMANNITE........Na3(Mg,Fe)4(Al,Fe)Si8O22(OH)2 --- Norrakerr, Sweden.} 

^{EDENITE.............NaCa2(Mg,Fe)5Si7AlO22(OH) --- Merkerstein , Tanzania}   

^{EDINGTONITE.........BaAl2Si3O10 4H2O --- Ice River , British Columbia}

^{ELBAITE.............Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 --- Many Localities}

^{ELECTRUM............AuAg --- Many Localities.   Various compositions.}

^{ELPASOITE...........K2NaAlF6 --- St. Peters Dome, Colorado .}

^{ELPIDITE............Na2ZrSi6O15 3H2O --- Okanogan Co., Washington .}

^{EMMONSITE...........Fe2Te3O9 2H2O --- Moctezuma , Sonora , Mexico .}

^{EMPLECTITE..........CuBiS2 --- Saxony , Germany .  May show intergrowths with bismuthinite.}

^{ENARGITE............Cu3AsS4 --- Butte , Montana .}

^{ENSTATITE...........MgSiO3 --- Sri Lanka .  (HQAA).}

^{EOSPHORITE..........(Mn,Fe)Al(PO4)(OH)2 H2O --- Minas Gerais, Brazil .}

^{EPIDOTE.............Ca2(Al,Fe)3(SiO4)3(OH) --- Italy .  Light colored, low Fe. Many localities.}

^{EPISTILBITE.........CaAl2Si6O16 ---  Puu O Ehu Quarry, Honolulu , Hawaii and Big Tree Cr., WA}

^{ERIONITE............( K2 ,Ca,Na2)2Al4Si14O36 15H2O --- Chase Cr., Falkland , British Columbia .} 

^{ERYTHRITE...........Co3(AsO4)2 8H2O --- Cobalt, Idaho .  Nickel free.}

^{ESKOLAITE...........Cr2O3  Finland.  Hard black grains.  2% V2O5.} 

^{ESPERITE............(Ca,Pb)ZnSiO4 --- Franklin , New Jersey .}

^{EUCHROITE...........Cu2(AsO4)(OH)3 H2O --- Missoula County , Montana .}

^{EUCLASE.............BeAlSiO4(OH) --- Minas Gerais, Brazil .}

^{EUCRYPTITE..........LiAlSiO4 --- Rhodesia .}

^{EUDIALYTE...........Na4(Ca,Ce,Fe)2ZrSi6O17 (OH,Cl)2 --- Mont St. Hilaire , Quebec .  ( SANA )}

^{EUXENITE............(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)O6 --- Idaho , Brazil , Wyoming ( SANA )}

^{FRONDELITE..........(Mn,Fe)Fe4(PO4)3(OH)5 --- Keystone,} South Dakota .

^{FULOPPITE...........Pb3Sb8S15 --- Cumberland , England . ($25.00)}

 

^{GADOLINITE (Ce).....(Ce,La,Nd)2FeBe2Si2O10 --- Langesundefjord , Norway . ( SANA )}

^{GADOLINITE (Y)......Y2FeBe2Si2O10 ---} Ytterby , Sweden . ( SANA )

^{GAGARINITE..........NaCaY(F,Cl)6 --- Okanogan Co., Washington.  [0.2]  Limited material.}

^{GAHNITE.............ZnAl2O4. --- Brazil .  (HQAA).}

^{GALAXITE............(Mn,Fe,Mg)(Al,Fe)2O4 --- Bald Knob, North Carolina   [0.2] Intergrown}

^{GALENA ..............PbS --- Many localities.  (Use LG lead sulfide).}

^{GALENOBISMUTITE.....PbBi2S4 --- Stevens Co., Washington. ($25.00)}

^{GALKHAITE...........(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 --- Getchell, Nevada.}

^{GARRONITE...........Na2Ca5Al12Si20O64 27H2O --- Goble , Oregon .}

^{GASPEITE............(Ni,Mg,Fe)CO3 --- Australia .}

^{GEARKSUTITE.........CaAlF4(OH) H2O --- Grand Reef Mine, Arizona .}

^{GEDRITE.............(Mg, Fe)5Al2(Si6Al2)O22(OH)2 --- Ludiska , Sweden .}

^{GEHLENITE...........Ca2Al(SiAl)O7 --- Grosseto , Tuscany , Italy .}

^{GENTHELVITE.........(Zn,Fe,Mn)4Be3Si3O12S --- Argentina .  ( SANA )}

^{GEOCRONITE..........Pb14(Sb,As)6S23 --- Bossburg , Washington .  Near Sb end member.}

^{GERSDORFFITE........NiAsS --- Snowbird Mine, Montana .}

^{GERSTLEYITE.........Na2(Sb,As)8S13 2H2O --- Baker Mine, Boron, California .}

^{GETCHELLITE.........AsSbS3 --- Getchell , Nevada .}

^{GIBBSITE............Al(OH)3 --- Langesfjord , Norway .  Some intergrowths.}

^{GILLESPITE..........BaFeSi4O10 --- Baja , California}

^{GISMONDINE..........Ca2Al4Si4O16 9H2O --- Rome , Italy .  Beam sensistive.}

^{GITTINSITE..........CaZrSi2O7 --- Kipawa Complex , Quebec .  Compact fibrous}

^{GLAUBERITE..........Na2Ca(SO)2 --- Searles Lake , California .   Beam and moisture sensistive.}

^{GLAUCODOT...........(Co,Fe)AsS --- Prairie City , Oregon .}

^{GLAUCOKERINITE......(Zn,Cu)10Al6(SO4)3(OH)32 18H2O --- Laurium , Greece . Soft.}

^{GLAUCOPHANE.........Na2(Mg,Fe)3Al2Si8O22(OH)2 --- Sonoma County , California}

^{GLAUKOSPHAERITE.....(Cu,Ni)2(CO3)(OH)2 --- Carr Boyd Nickel Mine, Western Australia .}

^{GOBBINSITE..........Na4(Cu,Mg, K2 )Al6Si10O32 12H2O --- Isle Magee County Antrim , Ireland   ( SANA )}

^{GOETHITE............FeO(OH) --- Negaunee , Michigan .  Single crystals.}

^{GOLD................Au --- Many localities, many compositions.  (See LG and Metals)}

^{GOLDMANITE..........Ca3(V,Al,Fe)2(SiO4)3 --- Laguna , New Mexico   ( SANA )}

^{GONNARDITE..........Na2CaAl4Si6O20 7H2O --- Styria , Austria}

^{GOOSECREEKITE.......CaAl2Si6O16 10H2O --- Kalyan , India}

^{GORGEYITE...........K2Ca5(SO4)6 H2O --- Kazakstan}

^{GORMANITE...........Fe3Al4(PO4)4(OH)6 2H2O --- Yukon , Canada .  Intergrown with souzalite.}

^{GOUDEYITE...........Cu6(Al,Y)(AsO4)3(OH)6 3H2O --- Majuba Hill , Nevada}

^{GOYAZITE............SrAl3(PO4)2(OH)5 H2O --- Keystone, South Dakota}

^{GRAPHITE............C --- India .  Soft, but polishes well with little contamination.}

^{GRATONITE...........Pb9As4S15 --- Rio Tinto , Spain .}

^{GREENOCKITE.........CdS --- Llallagua , Bolivia . Single crystals.  (Use LG grown CdS).}

^{GREIGITE............Fe3S4 --- Matra Mine, Corsica , France .}

^{GROSSULAR...........Ca3Al2(SiO4)3   --- Asbestos, Quebec (near end member).  Other localities.}

^{GROUTITE............MnO(OH) --- Cayuna Iron Range , Minnesota .}

^{GRUNERITE...........(Fe,Mg)7Si8)22(OH)2  ---  Marquette , Michigan ; Quebec (HQAA). Compact.}

^{GUDMUNDITE..........FeSbS --- Chelan Co., Washington.}

^{GUSTAVITE...........PbAgBi3S6 --- South Mountain , Idaho .} 

^{GYPSUM..............CaSO4 --- Alberta .  Soft and beam sensistive.}

^{GYROLITE............Na(Ca,Mg,Fe)16(Si,Al)24O60(OH)7 15H2O --- Nasik , India .  Beam sensitive.}

 

^{HAGENDORFITE........(Na,Ca)Mn(Fe2,Mg)2(PO4)3 --- Hagendorf, Bavaria.   [0.2]}

^{HANCOCKITE..........(Pb,Ca,Sr)2(Al,Fe)3(SiO4)3(OH) --- Franklin, New Jersey.  ( SANA )}

^{HANKSITE............KNa22(SO4)9(CO3)2Cl ---  Searles Lake , California}

^{HANNEBACHITE........CaSO3 5H2O --- West Germany .  A sulfite.  Probably beam sensitive.  [0.2]}

^{HARDYSTONITE........Ca2ZnSi2O7 ---  Franklin , New Jersey .}

^{HARMOTOME...........(Ba,K)1-2(Si,Al)8O16 6H2O --- Strontian , Scotland}

^{HASTINGSITE.........NaCa2(Fe,Mg)4Fe(Al2Si6)O22(OH)2 --- Italy}

^{HAUSMANNITE.........Mn3O4 --- Stambaugh , Michigan}

^{HAUYNE..............(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2 --- Italy}

^{HAYNESITE...........(UO2)3(SeO3)2(OH)2 5H2O ---  Repete Mine, San Juan Co. Co.  Soft. [0.15]}

^{HEAZELWOODITE.......Ni3S2 --- Heazelwood , Tasmania .   Intergrowths ?}  

^{HEDENBERGITE........CaFeSi2O6 --- South Mountan , Idaho , Broken Hill , Australia (HQAA)}

^{HEDLEYITE...........Bi7Te3 --- Hedley , British Columbia    [0.25]  Intergrown with bismuth.}

^{HEDYPHANE...........Pb3Ca2(AsO4)3Cl --- Langban , Sweden}

^{HEINRICHITE.........Ba(UO2)2(AsO4)2 10-12H2O --- Germany .  [0.15]}

^{HELLANDITE..........(Ca,Y)6(Al,Fe)Si4B4O20(OH)4 --- Hull , Quebec . Earthy areas.  ( SANA )}

^{HELVITE.............Mn4Be3(SiO4)S --- Sierra Co., New Mexico}

^{HEMATITE............Fe2O3 --- Elba , Italy.   Many other localities.}

^{HEMIHEDRITE.........Pb10Zn(CrO4)6(SiO4)2F2 --- Wickenburg , Arizona}

^{HEMIMORPHITE........Zn4Si2O7(OH)2 H2O --- Durango , Mexico .  Many other localities.}

^{HENDRICKSITE........K(Zn,Mg,Mn)3(Si3Al)O10(OH)2 --- Franklin, New Jersey.   ( SANA )}

^{HENRYITE............Cu4Ag3Te4 --- Bisbee , Arizona .  Intergrown with other tellurides.}

^{HERDERITE...........CaBe(PO4)(F,OH) --- Governador Valadares , Brazil .}

^{HERSCHELITE.........(Na,Ca,K)AlSi2O6 3H2O --- Horshoe Dam, Arizona .   Beam sensitive.}

^{HESSITE.............Ag2Te --- Kazahktstan. Single crystals from Washington State. (Use LG silver telluride).}

^{HETAEROLITE.........ZnMn2O4 --- Sterling Hill, New Jersey .}

^{HETEROSITE..........(Fe,Mn)PO4 ---  Newry, Maine}

^{HEULANDITE..........(Na,Ca)2-3Al3(Al,Si)2Si13O36 12H2O ---  Many localities.  ( SANA )}

^{HEWETTITE...........CaV6O16 9H2O --- Thompson , Utah .}

^{HEYROVSKITE.........Pb10AgBi5S18 --- Lander Co., Nevada .   May show some intergrowths.}

^{HIBONITE............(Ca,Ce)(Al,Ti,Mg)12O19 --- Elsiva , Madagascar .}

^{HIDALGOITE..........PbAl3(AsO4(SO4)(OH)6 --- Gold Hill , Utah .}

^{HILAIRITE...........Na2ZrSi3O9 3H2O --- Mont St. Hilaire Quebec .}

^{HILGARDITE..........Ca2B5O9Cl H2O --- England .  Probably beam sensitive.}

^{HINSDALITE..........(Pb,Sr)Al3(PO4)(SO4)(OH)6 --- Westerveld , West Germany .   [0.2]}

^{HIORTDAHLITE........(Ca,Na)3ZrSi2O7(O,OH,F)2 --- Langesundfjord, Norway.  ( SANA )}

^{HISINGERITE.........Fe2Si2O5(OH)4 2H2O --- Troy , Montana .}

^{HODGEKINSONITE......MnZn2SiO4(OH)2 --- Franklin , New Jersey .}

^{HOLLANDITE..........Ba(Mn2Fe)8O16 --- Lappland , Sweden and Black Jack Mine, Arizona .}

^{HOLMQUISTITE........Li2(Mg,Fe)3Al2Si8O22(OH)2 --- Uto , Sweden . ( SANA )  May show intergrowths.}

^{HOPEITE.............Zn3(PO4)2 4H2O ---  Broken Hill Mine , Zambia .}

^{HORNESITE...........Mg3(AsO4)2 8H2O ---  LaConner , Washington .  Soft, but polishes well.}

^{HOWLITE.............Ca2B5SiO9(OH)5 ---  Lang , California .  Beam sensitive.}

^{HUEBNERITE..........MnWO4 ---  Silverton , Colorado .  A few % Fe.}

^{HUMITE..............(Mg,Fe)7(SiO4)3(F,OH)2 ---  Mt. Vesuvius, Campania, Italy.  Gemmy.}

^{HUNTITE.............CaMg3(CO3)4 --- Pima Co., Arizona .}

^{LABRADORITE ........(Ca,Na)Al silicate --- New York .}

^{LAMPROPHYLLITE......Na2(Sr,Ba)2Ti3(SiO4)4(OH,F)2 --- Rocky Boy, Montana. ( SANA )}

^{LANGITE.............Cu4(SO4)(OH)6 2H2O --- Lubietova, Czechoslavkia.  Beam sensitive.}

^{LARSENITE...........PbZnSiO4 --- Franklin , New Jersey .}

^{LAUEITE.............MnFe2(PO4)2(OH)2 8H2O --- North Groton , New Hampshire .  [0.2]}

^{LAURELITE...........Pb(F,Cl,OH)2 --- New mineral,  Grand Reef Mine, Arizona .  [0.3]}

^{LAURIONITE..........PbCl(OH)--- Laurium , Greece .   [0.3]}

^{LAVENDULAN..........NaCaCu5(AsO4)4Cl 5H2O --- Chile .}

^{LAWSONITE...........CaAl2Si2O7(OH)2 H2O --- Tiburon Peninsula , California (HQAA).}

^{LAZULITE............(Mg,Fe)Al2(PO4)2(OH)2 --- Yukon , Canada .}

^{LAZURITE............(Na,Ca)8(Al,Si)12O24[(SO4),Cl2,(OH)2] --- Afghanistan.  ( SANA )}

^{LEAD................Pb --- Langban , Sweden .  (Use LG lead).}

^{LEADHILLITE.........Pb4(SO4)(CO3)2(OH)2 --- Challis, Idaho .}

^{LEGRANDITE..........Zn2(AsO4)(OH) H2O --- Durango , Mexico .}

^{LEIGHTONITE.........K2Ca2Cu(SO4)4 2H2O --- Chucuicamata , Chile .  Beam Sensitive.}

^{LEPIDOLITE..........K(Li,Al)3(Si,Al)4O10(F,OH)2 --- Minas Gerais, Brazil. Compact material.}

^{LEUCOPHANITE........(Na,Ca)2BeSi2(O<FOH)7 --- Mont St. Hilaire , Quebec .}

^{LEUCOPHOENICITE.....Mn7(SiO4)3(OH)2 --- Franklin , New Jersey .}

^{LEUCOPHOSPHITE......KFe(PO4)2(OH) 2H2O --- Keystone, South Dakota}

^{LEVYNE..............(Ca,Na2, K2 )3Al6Si12O36 18H2O ---  Green Peter Dam, Linn Co., Oregon .}

^{LIBETHENITE.........Cu2(PO4)(OH) --- Pinal Co. , Arizona .}

^{LILLIANITE..........Pb3Bi2S6 --- Gladhammar , Sweden .   May show some intergrowths.}

^{LINARITE............PbCu(SO4)(OH)2 --- Challis, Idaho .}

^{LINDGRENITE.........Cu3(MoO)2(OH)2 --- Chuquicamata , Chile .}

^{LINDSTROMITE........Pb3Cu3Bi7S15 --- Sonora , Mexico .  May show intergrowths.}

^{LINNAEITE...........Co3S4 --- Bastnaes , Sweden .  Some intergrown chalcopyrite.}

^{LIROCONITE..........Cu2Al[(As,P)O4](OH)4 4H2O --- St. Just, Cornwall , England . Beam sensitive.}

^{LITHARGE............PbO --- Arizona .   (Use LG lead oxide).}

^{LITHIOPHILITE.......Li(Mn,Fe)PO4 --- Midnight Owl Mine, Arizona .}

^{LIVINGSTONITE.......HgSb4S8 --- Guerrero , Mexico .}

^{LIZARDITE...........Mg3Si2O5(OH)4 --- Vikersund , Norway .}

^{LOELLINGITE.........FeAs2 --- St.Andreasburg, Harz , Germany , and Monte Romero Mine, Spain .}

^{LOMONOSOVITE........Na2Ti2Si2O9 Na3PO4 --- South Greenland .}

^{LORANDITE...........TlAsS2 --- Allchar , Macedonia .}

^{LORENZENITE.........Na2Ti2Si2O9 --- Lovosero, Kola Peninsula , Russia . Biotite inclusions.}

^{LUDLAMITE...........Fe3(PO4)2 4H2 O --- Blackbird Mine, Cobalt, Idaho .  Beam sensitive.}

^{LUDWIGITE...........(Mg,Fe)2FeBO5 --- Darrington, Washington, Lemhi Co, Idaho .}

^{LUETHITE............Cu2Al2(AsO4)2(OH)4 H2O --- Patagonia , Arizona .  [0.25].} 

^{LUZONITE............Cu3AsS4 --- Taipei , Taiwan .}

 

^{MACKAYITE...........FeTe2O5(OH) --- Catron Co., N.M.   [0.2]}

^{MAGNESIOCHROMITE....MgCr2O4 --- Twin Sisters Mountains , Washington . Substantial Fe and Al.}

^{MAGNESIOHORNBLENDE..Ca2(Mg,Fe)4Al(Si7Al)O22(OH<F)2 --- San Marcial Quarry, NM.}

^{MAGNESITE...........MgCO3 --- Bahia , Brazil .  Water clear, colorless rhombs.}

^{MAGNETITE...........Fe3O4 --- Many Localities.}   

^{MALACHITE...........Cu2CO3(OH)2 --- Laurium , Greece .  Single crystal material.}

^{MALAYAITE...........CaSnSiO5. --- Devon , England .}

^{MANDARINOITE........FeSeO9 6H2O --- Gold Hill , Utah .  Single crystals. (0.25)}

^{MANGANAXINITE.......Ca2(Mn,Fe)Al2BSi4O15(OH)--- Franklin , New Jersey .   ( SANA )}

^{MANGANBABINGTONITE..Ca2(Mn,Fe)FeSi4O14(OH) --- Landsman Camp, Arizona .}

^{MANGANITE...........MnO(OH) --- Harz , Germany .}

^{MANGAN-NEPTUNITE....Mn,Na2Li(Mn,Fe)2Ti2Si8O24 --- Kola Peninsula , Russia .}

^{MANGANOSTIBITE......Mn7SbAsO12 --- Filipstad , Sweden . [0.2]}

^{MANGANOTANTALITE....MnTa2O6 --- Locality unknown. Limited quantity.  Foord USGS.  (HQAA)}

^{MANSFIELDITE........Al(AsO4) 2H2O --- Hobart Butte , Oregon .  Probably beam sensitive.}

^{MARICOPAITE.........Pb7Ca2(Si,Al)48O100 --- Maricopa Co., Arizona . Splintery.  [0.4]}

^{MARGARITE...........CaAl2(Al2Si2)O10(OH)2 --- Chester , Vermont .}

^{MARIALITE...........Na4Al3Si9O24Cl --- North Bend , Washington .}

^{MASSICOT............PbO --- Grand Reef Mine, Arizona .  (Use LG lead oxide).}

^{MATILDITE...........AgBiS2 --- British Columbia . Shows intergrowths.  $20.00}

^{MAUCHERITE..........Ni11As8 --- Mackinaw Mine, Snohomish Co., Washington.}

^{MAXWELLITE..........NaFeAsO4F --- Catron Co., New Mexico .  New species. [0.1]  $25.00}

^{MCGOVERNITE.........(Mn,Mg)19Zn3(AsO3)(AsO4)3(SiO4)3(OH)21 ---  Franklin, New Jersey.  ( SANA ).}

^{MCGUINESSITE........(Mg,Cu)2(CO3(OH)2 --- Gabbs , Nevada .  May be too soft.}

^{MELANOPHLOGITE......SiO2 --- Tuscany , Italy .  Minor inclusions of carbon compounds reported.}

^{MELANOTEKITE........Pb2Fe2Si2O9 --- Langban , Sweden .}

^{MELILITE............Na2CaAlSiO7 --- Terni , Italy .   [0.2]}

^{MENDIPITE...........Pb3Cl2O2 --- Mendip Hills , England .}

^{MENDOZAVILITE.......Na(Ca,Mg)2Fe6(PO4)2(P,Mo11O39)(OH,Cl)10 33H2O --- Rustler Mine, Utah. Soft.}

^{MENEGHINITE.........CuPb13Sb7S24. --- Santa Cruz , California .}

^{MERWINITE...........Ca3Mg(SiO4)2 --- Riverside , California .}

^{MESOLITE............Na2Ca2Al6Si9O30 8H2O --- Skookumchuck Dam, Thurston Co., WA. Beam sensitive}

^{MESSELITE...........Ca2(Fe,Mn)(PO4)2 2H2O --- Germany .}

^{MIARGYRITE..........AgSbS2 --- Randsburg , California .}

^{MICROCLINE..........KAlSI3O8 --- Many localities.}

^{MICROLITE...........(Na,Ca)2Ta2O6(O,OH,F) --- Brazil , (excellent homogen) Harding Mine, New Mexico .   ( SANA )}

^{MILARITE............KCa2AlBe2(Si12O30) H2O  --- Guanajuato, Mex.}

^{MILLERITE........... NiS --- Leinster , West Australia .  (See LG NiS.)}

^{MIMETITE............Pb5(AsO4)3Cl --- Tsumeb , Namibia .  Many other localities. Some P present.}

^{MINIUM..............Pb3O4 --- Challis, Idaho .  (See LG lead oxide).}

^{MINYULITE...........KAl2(PO4)2(OH,F) 4H2O --- Lucin , Utah .  Soft.}

^{MISERITE............K(Ca,Ce)4Si5O13(OH)3 --- Magnet Cove, Arkansas .}

^{MITRIDATITE.........Ca3Fe4(PO4)4(OH)6 3H2O --- Keystone, South Dakota . [0.2]}

^{MIXITE..............Cu6Bi(AsO4)3(OH)6 3H2O --- Tintic, Utah .  Fibrous   [0.2]}

^{MIZZONITE...........intermediate member of scapolite group.  Egan Chute , Canada .}

^{MOLYBDENITE.........MoS2 --- Chelan County , Washington .  Soft, but polishes well..}

^{MONAZITE............(Ce,La,Nd).(Ce,La,Nd,Th)PO4 --- Several Localities  ( SANA )}

^{MONTEBRASITE........(Li,Na)Al(PO4)(OH,F) --- Midnight Owl Mine, Arizona . ( SANA )}

^{MONTGOMERYITE.......Ca4Al4Mg(PO4)6(OH)4 12H2O --- Keystone, South Dakota .  [0.4]}

^{MONTICELLITE........CaMgSiO4 --- Crestmore , California , and Cascade Slide, NY (HQAA)}

^{MOREASITE...........Be2PO4(OH) 4H2O --- Minas Gerais, Brazil . Soft,fibrous and beam sensitive}

^{MORDENITE...........(Ca,Na2, K2 )Al2Si10O24 7H2O --- Rock Cr., Stevens Co.,Washington.Fibrous.}

^{MOSANDRITE..........(Na,Ca,Ce)3TiSi2O7(F,OH,O) --- Russia .  ( SANA )}

^{MOTTRAMITE..........Pb(Cu,Zn)VO4(OH) --- Radersburg , Montana .}

^{MURDOCHITE..........PbCu6(O,Cl,Br) --- 79 Mine, Arizona .}

^{MURMANITE...........Na2(Ti,Nb)2Si2O9 nH2O --- South Greenland and Russia .}

^{MUSCOVITE...........KAl2(Si3Al)O10(OH,F)2 --- Newry, Maine.  Many other localities.}

 

^{NADORITE............PbSbO2Cl --- Djebel Nador , Algeria .}

^{NAGYAGITE...........Pb5Au(Te,Sb)4S5-8 --- Nagyagag , Rumania .}

^{NARSARSUKITE........Na2(Ti,Fe)Si4(O,F)11 --- Mont St. Hilaire , Quebec and Sage Creek , Montana .}

^{NATROALUNITE........NaAl3(SO4)2(OH)6 --- Yuma Co., Arizona .}

^{NATROCHALCITE.......NaCu2(SO4)2(OH) H2O --- Chuquicamata , Chile .  May be beam sensitive.}

^{NATROJAROSITE.......NaFe3(SO4)2(OH)6 --- Boolcoomatta , South Australia .}

^{NATROLITE...........Na2Al2Si3O10 2H2O --- Ice River , British Columbia .}

^{NAUMANNITE..........Ag2Se --- DeLamar , Idaho . (use lg Ag2Se)}

^{NEKOITE.............Ca3Si6O15 7H2O --- Aravaipa, Graham Co., Arizona . Probably beam sensitive.}

^{NEOTOCITE...........(Mn,Fe)SiO3 H2O --- Brown Mule Mine, Washington.  Hausmannite interowths.}

^{NEPHELINE...........(Na,K)AlSiO4 --- Alaska .}

^{NEPTUNITE...........KNa2Li(Fe,Mn)2Ti2Si8O24 --- San Benito Co., California .}

^{NEWBERYITE..........MgH(PO4) 3H2O --- Bat Caves , Victoria , Australia . A guano mineral.}

^{NICCOLITE...........NiAs --- Numerous localities.  (Use LG nickel arsenide)}

^{NICKEL SKUTTERUDITE.(Ni,Co)As2-3 --- Alhambra , New Mexico .}

^{NIMITE..............(Ni,Mg,Fe)5Al(Si3Al)O10(OH)8 --- Rio Grande do Sul , Brazil .} 

^{NIOCALITE...........Ca4NbSi2O10(F) --- Oka , Quebec .}

^{NISSONITE...........Cu2Mg2(PO4)2(OH)2 5H20 --- Panoche Valley , California .  50 x 200um scales.}

^{NORBERGITE..........Mg3SiO4(F,OH) --- Franklin , N.J.}

^{NORDSTRANDITE.......Al(OH)3 --- Mont St. Hilaire , Quebec .}

^{NORTHUPITE..........Na3Mg(CO3)2Cl --- Searles Lake , California .}

 

^{OFFRETITE...........(K2Ca)5Al10Si26O72 30H2O --- Washington and Oregon localities.  [0.1]}

^{OKANOGANITE.........(Na,Ca)3(Y,Ce,Nd,La)12Si6B2O27F14  --- Okanogan Co., WA [0.2] ( SANA )}

^{OKENITE.............Ca10Si18O46 18H2O --- Bombay , India . Soft, fibrous. Beam sensitive.}

^{OLIGOCLASE..........NaCaAlSiO8 --- Mitchell Co., North Carolina}

^{OLIVENITE...........Cu2(AsO4)(OH) --- Missoula Co., Montana and Tsumeb , Namibia (HQAA).}

^{OMPHACITE...........(Ca,Na)(Mg,Fe2,Al)Si2O6 --- Norway . ( SANA )}

^{ONORATOITE..........Sb8O11Cl2 --- Tuscany , Italy .}

^{OPAL................SiO2 nH2O --- Australia .}

^{ORPIMENT............As2S3 ---- Getchell , Nevada and Peru .}

^{ORTHOCLASE..........KAl3O8 --- Many localities.  (HQAA)}

^{OSARIZAWAITE........PbCuAl2(SO4)2(OH)6 --- Helvetica , Arizona .  New find of good crystals.}

^{OSUMILITE...........(K,Na)(Mg,Fe)2(Al,FE)3(Si,Al)2O30 --- MacKenzie Pass, Oregon. ( SANA )}

^{OTTRELITE...........(Mn,Fe,Mg)2Al4Si2O10(OH)4 --- Stavelot massif, Belgium .  ( SANA )}