Boulder Co., Colorado, USA

Mineral list contains entries from the region specified including sub-localities


Mineral List:

Acanthite Ag   2 S Description: Argentite was reported by Endlich (1878) and Wright (1954). Supergene acanthite with covellite was observed in small fractures and vugs at the Caribou mine by Francis (1987). Raines (1992) discussed the mineralogy at Caribou. Reference: ["Minerals of Colorado, updated & revised", p. 41, by Eckel, Edwin B., 1997] Actinolite ☐Ca   2 (Mg,Fe 2+   )   5 (Si   8 O   22 )(OH)   2 Reference: [Minerals of Colorado (1997) Eckel, E. B.] 'Adularia' KAlSi   3 O   8 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Aegirine NaFe 3+   [Si   2 O   6 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Aikinite PbCuBiS   3 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Alabandite Mn 2+   S Reference: [Minerals of Colorado (1997) Eckels, E. B.] Albite Na[AlSi   3 O   8 ] Reference: [Minerals of Colorado (1997) Eckel, E. B.] 'Albite-Anorthite Series' Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Allanite' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Allanite-(Ce) {CaCe}{Al   2 Fe 2+   }[O|OH|SiO   4 |Si   2 O   7 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Allophane (Al   2 O   3 )(SiO   2 )   1.3-2 ·2.5-3H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Altaite PbTe Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cash Mine, Gold Hill, Gold Hill District, Boulder Co., Colorado, USA © Jasun McAvoy Alunite KAl   3 [(OH)   3 |SO   4 ]   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Analcime Na   2 [Al   2 Si   4 O   12 ] · 2H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Anatase TiO   2 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Andalusite Al   2 [O|SiO   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Anglesite PbSO   4 Reference: [Min Rec 10:329-332] Anhydrite CaSO   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Anthophyllite ☐[Mg   2 ][Mg   5 ][(OH)   2 |Si   8 O   22 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Antimony Sb Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Apatite' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Arfvedsonite [Na][Na   2 ][Fe 2+ 4 Fe 3+   ][(OH)   2 |Si   8 O   22 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Arsenic As Reference: [Minerals of Colorado (1997) Eckels, E. B.] Arsenopyrite FeAsS - (Fe   0.90 Co   0.10 )AsS Reference: [Rocks & Min.: 22:205.] 'Asbestos' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Augite (Ca,Na)(Mg,Fe 2+   ,Al,Fe 3+   ,Ti)[(Si,Al)   2 O   6 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Aurichalcite (Zn,Cu)   5 [(OH)   3 |CO   3 ]   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Autunite Ca(UO   2 )   2 (PO   4 )   2 ·11H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Azurite Cu   3 [OH|CO   3 ]   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Baryte BaSO   4 Reference: [Minerals of Colorado (1997) E.B. Eckels] Bassetite Fe 2+   (UO   2 )   2 [PO   4 ]   2 · 8H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Bastnäsite' Reference: [Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).] Bastnäsite-(Ce) (Ce,La)[F|CO   3 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Beidellite (Na,Ca   0.5 )   0.3 Al   2 (Si,Al)   4 O   10 (OH)   2 ·nH   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Beryl Be   3 Al   2 Si   6 O   18 Reference: [Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).] Biotite Reference: [Minerals of Colorado (1997) Eckels, E. B.] Bismuth Bi Reference: [Dana 7:I:135.] Bismuthinite Bi   2 S   3 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Bismutite (BiO)   2 CO   3 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Bornite Cu   5 FeS   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Boulangerite Pb   5 Sb   4 S   11 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Briartite Cu   2 (Fe,Zn)GeS   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Britholite-(Ce) Ca   2 (Ce,Ca)   3 [(OH,F)|(SiO   4 ,PO   4 )   3 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Rusty Gold Mine (Copper Blush Occurrence), Jamestown District, Boulder Co., Colorado, USA   Brucite Mg(OH)   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Buckhornite (TL) AuPb   2 BiTe   2 S   3 Type Locality: Buckhorn Mine (Bigthing), Jamestown, Jamestown District, Boulder Co., Colorado, USA Reference: [Minerals of Colorado (1997) Eckels, E. B.] Calaverite AuTe   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Calcite CaCO   3 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Calomel Hg   2 Cl   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cassiterite SnO   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Celestine SrSO   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cerite-(Ce) (Ce,Ca)   9 (Fe,Mg)(SiO   4 )   3 [SiO   3 (OH)]   4 (OH)   3 Reference: [Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).] Cerussite PbCO   3 Reference: [Minerals of Colorado (1997) E.B. Eckels] Cervelleite Ag   4 TeS Reference: [Minerals of Colorado (1997) Eckels, E. B.] Chalcanthite CuSO   4 ·5H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Chalcedony' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Chalcocite Cu   2 S Reference: [Minerals of Colorado (1997) Eckels, E. B.] Chalcopyrite CuFeS   2 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 22:205.] Alice Mine, Jamestown, Jamestown District, Boulder Co., Colorado, USA © John Sobolewski Chlorargyrite AgCl Reference: [Rocks & Minerals 67:230-254] 'Chlorite Group' Reference: [Minerals of Colorado (1997) E.B. Eckels] Chrysocolla (Cu,Al)   2 H   2 Si   2 O   5 (OH)   4 ·nH   2 O Reference: [Rocks & Min.: 22:205.] Chrysotile Mg   3 Si   2 O   5 (OH)   4 Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Cimolite Al   4 Si   9 O   24 ·6H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Cinnabar HgS Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Clay' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Clinozoisite {Ca   2 }{Al   3 }[O|OH|SiO   4 |Si   2 O   7 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cobaltite CoAsS Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 22:205.] Coffinite (U,Th)[(OH)   4x |(SiO   4 )   1-x ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Coloradoite (TL) HgTe Type Locality: Keystone Mine, Magnolia District, Boulder Co., Colorado, USA Description: Closely intermixed with native tellurium and quartz. The type description of coloradoite was based on impure specimens from the Keystone and Mountain Lion mines in the Magnolia district and from the Smuggler mine in the Balarat district. Reference: ["Minerals of Colorado, updated & revised", p. 158, by Eckel, Edwin B., 1997] Smuggler Mine, Balarat District, Boulder Co., Colorado, USA © Christopher O'Neill Columbite (Fe,Mn)(Nb,Ta)   2 O   6 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Copper Cu Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cordierite (Mg,Fe)   2 Al   4 Si   5 O   18 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Corrensite (Mg,Fe)   9 (Si,Al)   8 O   20 (OH)   10 ·nH   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Covellite CuS Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cryolite Na   3 [AlF   6 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Dawsonite NaAlCO   3 (OH)   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Dickite Al   2 Si   2 O   5 (OH)   4 Reference: [Minerals of Colorado (1997) E.B. Eckels] Digenite Cu   9 S   5 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Diopside CaMg[Si   2 O   6 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Diopside var: Chromian Diopside (Ca,Cr)MgSi   2 O   6 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997] Dolomite CaMg(CO   3 )   2 Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Eckermannite [Na][Na   2 ][(Mg,Fe 2+   )   4 Al][(OH)   2 |Si   8 O   22 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Empressite AgTe Reference: [American Mineralogist (1949) 34:341-382] Senator Hill and Ophir Veins, Magnolia District, Boulder Co., Colorado, USA © Brent Thorne 2009 Enargite Cu   3 AsS   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Enstatite Mg   2 [SiO   3 ]   2 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997] Epidote {Ca   2 }{Al   2 Fe 3+   }[O|OH|SiO   4 |Si   2 O   7 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Famatinite Cu   3 SbS   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Ferberite FeWO   4 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Nederland District, Boulder Co., Colorado, USA © 2002 John H. Betts Ferritungstite (W,Fe 3+   )(O,OH)   3 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Ferrotellurite FeTeO   4 (?) Reference: [Heys Mineral Index 3rd ed.] Fizélyite Pb   14 Ag   5 Sb   21 S   48 ? Reference: [Minerals of Colorado (1997) Eckels, E. B.] Fluorite CaF   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Burlington Mine, Jamestown District, Boulder Co., Colorado, USA   Freibergite (Ag   4+2x Cu   2-2x )[(Cu, Ag)   4 (Fe, Zn)   2 ]Sb   4 S   12 S   1-x (0 < x < 1) Reference: [Minerals of Colorado (1997) Eckels, E. B.] Fülöppite Pb   3 Sb   8 S   15 Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Gadolinite' Reference: [Minerals of Colorado (1997) E.B. Eckels] Gadolinite-(Y) Y   2 Fe 2+   Be   2 [O|SiO   4 ]   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Galena PbS Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Garnet Group' X   3 Z   2 (TO   4 )   3 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V) Reference: [Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).] 'Garnierite' Reference: [Rocks & Min.: 16:413.] Gearksutite Ca[Al(F,OH)   5 (H   2 O)] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Jamestown District, Boulder Co., Colorado, USA © Dan Weinrich Gedrite ☐[Mg   2 ][Mg   3 Al   2 ][(OH)   2 |Al   2 Si   6 O   22 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Geocronite Pb   14 (Sb,As)   6 S   23 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Germanite Cu   13 Fe   2 Ge   2 S   16 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Gersdorffite NiAsS Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Goethite α-Fe 3+   O(OH) Reference: [Minerals of Colorado (1997) Eckels, E. B.] Gold Au Reference: [Minerals of Colorado (1997) E.B. Eckels] Cash Mine, Gold Hill, Gold Hill District, Boulder Co., Colorado, USA © Brent Thorne Gold var: Electrum (Au, Ag) Reference: [Minerals of Colorado (1997) Eckels, E. B.] Goldamalgam (Au,Ag)Hg Reference: [Minerals of Colorado (1997) Eckels, E. B.] Goslarite ZnSO   4 ·7H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Goyazite SrAl   3 [(OH)   5 |(PO   4 )   2 ] · H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Graphite C Reference: [Minerals of Colorado (1997) Eckels, E. B.] Grossular Ca   3 Al   2 [SiO   4 ]   3 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Halotrichite FeAl   2 (SO   4 )   4 ·22H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Haüyne (Na,Ca)   4-8 [Al   6 Si   6 (O,S)   24 ](SO   4 ,Cl)   1-2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Heazlewoodite Ni   3 S   2 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997] Hedenbergite CaFe 2+   [Si   2 O   6 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Hematite Fe   2 O   3 Reference: [Minerals of Colorado (1997) E.B. Eckels] Hessite Ag   2 Te Reference: [Minerals of Colorado (1997) Eckels, E. B.] Valley Forge Occurrence (Critic and Railroad Boy; Sunshine; Ingram; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond), Gold Hill District, Boulder Co., Colorado, USA © 2008 Jesse Crawford 'Heulandite' ? Reference: [Minerals of Colorado (1997) E.B. Eckels] Hübnerite MnWO   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Illite K   0.65 A   2.0 [][Al   0.65 Si,   3.35 O   10 ](OH)   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Ilmenite Fe 2+   TiO   3 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997] Ilmenite var: Picrotitanite Reference: [Minerals of Colorado (1997) Eckels, E. B.] Ilsemannite Mo   3 O   8 ·nH   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Mogul Tunnel Occurrence, Boulder Co. Tungsten District, Boulder Co., Colorado, USA © Rob Lavinsky Iodargyrite AgI Reference: [Minerals of Colorado (1997) Eckels, E. B.] Jalpaite Ag   3 CuS   2 Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Caribou Mine (Caribou shaft), Grand Island, Caribou District, Boulder Co., Colorado, USA © Brent Thorne 2009 Jamesonite Pb   4 FeSb   6 S   14 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Keystoneite (TL) (Ni,Mg,Fe,Mn)   3 Te   3 O   9 ·5H   2 O Type Locality: Keystone Mine, Magnolia District, Boulder Co., Colorado, USA Description: Golden yellow. Admantine luster. Radiating sprays & parallel growth aggregates of hexagonal, aciciular xls. Ave. size of xls: 0.2 x 0.02 x 0.02 mm. Reference: ["Minerals of Colorado, updated & revised", p. 289, by Eckel, Edwin B., 1997] 'K Feldspar' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Krennerite (Au,Ag)Te   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Limonite FeO(OH)·nH   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Linarite PbCu[(OH)   2 |SO   4 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Magnetite Fe 2+   Fe 3+ 2 O   4 Reference: [Minerals of Colorado (1997) E.B. Eckels] Magnetite var: Titaniferous Magnetite Fe 2+   (Fe 3+   ,Ti)   2 O   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Magnolite (TL) Hg   2 TeO   3 Type Locality: Keystone Mine, Magnolia District, Boulder Co., Colorado, USA Reference: [Minerals of Colorado (1997) Eckel, E. B.] Malachite Cu   2 [(OH)   2 |CO   3 ] Reference: [Rocks & Min.: 22:205.] Marcasite FeS   2 Reference: [Minerals of Colorado (1997) E.B. Eckels] Melonite NiTe   2 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Mercury Hg Reference: [Minerals of Colorado (1997) E.B. Eckels] Miargyrite AgSbS   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Mica Group' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Microcline K[AlSi   3 O   8 ] Reference: [Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).] Millerite NiS Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 22:205.] Molybdenite MoS   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] 'Monazite' Reference: [Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).] Montanite ? Bi   2 [TeO   6 ] · 2H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Montmorillonite (Na,Ca)   0.33 (Al,Mg)   2 Si   4 O   10 (OH)   2 ·nH   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Morenosite NiSO   4 ·7H   2 O Reference: [O'Donoghue, 1978 - "Encyclopedia of Minerals & Gemstones", p283] Muscovite KAl   2 [(OH)   2 |AlSi   3 O   10 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Nagyágite Pb   5 Au(Te,Sb)   4 S   5-8 Reference: [Minerals of Colorado (1997) E.B. Eckels] Nickeline NiAs Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 22:205.] Nontronite Na   0.3 Fe   2 (Si,Al)   4 O   10 (OH)   2 ·nH   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Olivine' (Mg,Fe 2+   )   2 [SiO   4 ] Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997] Opal SiO   2 ·nH   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Orthoclase K[AlSi   3 O   8 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Paratacamite Cu   3 (Cu,Zn)[(OH)   3 |Cl]   2 Reference: [Minerals of Colorado (1997) E.B. Eckels] Paratellurite TeO   2 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Pearceite [(Ag,Cu)   6 (As,Sb)   2 S   7 ][Ag   9 CuS   4 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Pentlandite (Fe,Ni)   9 S   8 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 16:413; 22:205.] Petzite Ag   3 AuTe   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cash Mine, Gold Hill, Gold Hill District, Boulder Co., Colorado, USA © 2004 ROM Phlogopite KMg   3 [(OH,F)   2 |AlSi   3 O   10 ] Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997] Piemontite {Ca   2 }{Al   2 Mn 3+   }[O|OH|SiO   4 |Si   2 O   7 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Platinum ? Pt Reference: [Minerals of Colorado (1997) E.B. Eckels] Polybasite [(Ag,Cu)   6 (Sb,As)   2 S   7 ][Ag   9 CuS   4 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Boulder Co., Colorado, USA   Polydymite Ni 2+   Ni 3+ 2 S   4 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 16:413; 22:205.] Posnjakite Cu   4 [(OH)   6 |SO   4 ] · H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Prehnite Ca   2 Al   2 Si   3 O   12 (OH) Reference: [Minerals of Colorado (1997) E.B. Eckels] Proustite Ag   3 AsS   3 Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Pyrargyrite Ag   3 SbS   3 Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Pyrite FeS   2 Reference: [Rocks & Min.: 22:205.] Pyrite var: Bravoite (Fe,Ni)S   2 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 16:413; 22:205.] Pyrope Mg   3 Al   2 [SiO   4 ]   3 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997] 'Pyroxene Group' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Pyrrhotite Fe   7 S   8 , (-4M), also given as Fe   1-x S (x = 0 - 0.2) Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 22:205.] Quartz SiO   2 Reference: [Rocks & Min.: 22:205.] Renierite (Cu,Zn)   11 (Ge,As)   2 Fe   4 S   16 Reference: [Minerals of Colorado (1997) E.B. Eckels] Rickardite Cu   7 Te   5 Reference: [Minerals of Colorado (1997) E.B. Eckels] Riebeckite [ ][Na   2 ][Fe 2+ 3 Fe 3+ 2 ][(OH)   2 |Si   8 O   22 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Roscoelite K(V,Al)   2 [(OH)   2 |AlSi   3 O   10 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Ruby Silver Ore' Reference: [Minerals of Colorado (1997) E.B. Eckels] Rutile TiO   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Samarskite-(Y) (Y,Fe 3+   ,Fe 2+   ,U,Th,Ca)   2 (Nb,Ta)   2 O   8 Reference: [Minerals of Colorado (1997) E.B. Eckels] Sanidine K[AlSi   3 O   8 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Scheelite Ca[WO   4 ] Reference: [Jim A. Paschis - senior mine geologist (pers. comm.)] Schröckingerite NaCa   3 (UO   2 )[F|(CO   3 )   3 |SO   4 ] · 10H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Scolecite ? Ca[Al   2 Si   3 O   10 ] · 3H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Sericite' Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Serpentine Group' D   2 [Si   2 O   5 ](OH)4 + or - nH   2 O Reference: [Minerals of Colorado (1997) Eckel, E. B.] Siderite FeCO   3 Reference: [Rocks & Minerals 67:230-254] White Raven Mine, Ward, Ward District, Boulder Co., Colorado, USA © Rob ++++++++ Sillimanite Al   2 [O|SiO   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Silver Ag Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997); Rocks & Min.: 24:358.] Silver var: Amalgam (Ag,Hg) Reference: [Minerals of Colorado (1997) Eckels, E. B.] Sodalite ? Na   8 [Cl   2 |Al   6 Si   6 O   24 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Sphalerite (Zn,Fe 2+   )S Reference: [Rocks & Min.: 22:205.] Spinel MgAl   2 O   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Stephanite Ag   5 SbS   4 Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Stibnite Sb   2 S   3 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Stromeyerite AgCuS Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)] Stützite Ag   5-x Te   3 , x = 0.24-0.36 Reference: [Minerals of Colorado (1997) E.B. Eckels] Sulphur S   8 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Sylvanite (Au,Ag)   2 Te   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Sunshine, Boulder Co., Colorado, USA © Christopher O'Neill Tantalite (Fe,Mn)(Ta,Nb)   2 O   6 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Tellurantimony Sb   2 Te   3 Reference: [Minerals of Colorado (1997) E.B. Eckels] Tellurite TeO   2 Reference: [Dana 6: 11, 980; Dana 7:I: 594.] Tellurium Te Reference: [Dana 6: 11, 980; Dana 7:I: 594.] Boulder Co., Colorado, USA © 2007 Peter Cristofono Tennantite (Cu,Ag,Fe,Zn)   12 As   4 S   13 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Tetradymite Bi   2 Te   2 S Reference: [Minerals of Colorado (1997) Eckels, E. B.] Red Cloud Mine (Chicago; Colorado Occurrence), Gold Hill District, Boulder Co., Colorado, USA © Dan & Diana Weinrich Minerals Tetrahedrite (Cu,Fe,Ag,Zn)   12 Sb   4 S   13 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Thorite var: Uranothorite (Th,U)SiO   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Thorogummite (Th,U)[(OH)   4x |(SiO   4 )   1-x ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Titanite CaTi[O|SiO   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Torbernite Cu(UO   2 )   2 (PO   4 )   2 ·12H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Törnebohmite-(Ce) (Ce,La)   2 Al(SiO   4 )   2 OH Reference: [Minerals of Colorado (1997) E.B. Eckels] Jamestown District, Boulder Co., Colorado, USA © Rob Lavinsky Tungstite WO   3 ·H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Ulvöspinel Fe   2 TiO   4 Reference: [Minerals of Colorado (1997) E.B. Eckels] Uraninite UO   2 Reference: [("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997); Rocks & Min.: 24:159, 358.] Uraninite var: Pitchblende UO   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Uranophane Ca(UO   2 )   2 [HSiO   4 ]   2 · 5H   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Caribou Mine (Caribou shaft), Grand Island, Caribou District, Boulder Co., Colorado, USA © Brent Thorne 2009 Vesuvianite Ca   10 (Mg,Fe)   2 Al   4 Si   9 O   34 (OH)   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Villiaumite NaF Reference: [Minerals of Colorado (1997) E.B. Eckels] Violarite Fe 2+   Ni 3+ 2 S   4 Reference: ["Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997; Rocks & Min.: 16:413; 22;205.] Vivianite Fe 2+ 3 (PO   4 )   2 ·8H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Wad' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Weberite Na   2 Mg[F|AlF   6 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Weissite ? Cu   2-x Te Reference: [Minerals of Colorado (1997) E.B. Eckels] Wolframite (Fe 2+   )WO   4 to (Mn 2+   )WO   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Wollastonite Ca[SiO   3 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Woodhouseite CaAl   3 [(OH)   6 |SO   4 |PO   4 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Zeolite Group' Reference: [Minerals of Colorado (1997) E.B. Eckels] Zircon Zr[SiO   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.]

229 entries listed. 188 valid minerals. 4 type localities (valid minerals).

Localities in this Region:

USA   Colorado Boulder Co. Allens Park Alum Hill Arapahoe Peak 4th of July Occurrence Brooks (Broome Company; Olympic; Nebraska; Beatrice; Crater Occurrence) Unknown Tin Occurrence (MRDS - 10017288) Avalon Placer (Onondaga; Syracuse; Silver Str.) Balarat District Smuggler Mine Barron Beaver Beryl claims Beryl lode Blue Ribbon Bonanza No. 2 Boulder-Weld Coal Field Fox Hills Outcrop Boulder Area Lease Tailings Pond (Stattendale Dump) Boulder Brick & Tile Company Boulder Co. Tungsten District 1903 Amy Paul Anna C. Mine (Vacant Spot; Minnie Foy; Lone Pine; Beddig; Oregon; Niagara; Denver; Illinois; Greyback; Sunset Sisson; Spiderleg; Conger; Quay) Arrow 1; 2; 3 Occurrence Aztec Barker (Barker Tunnel) Barker No. 3 Big Cameron Big Six Birds Nest and Village Belle Black Ace Claims Black Hawk No. 2 vein Black Iron Occurrence (Mammoth; Sunday; Mary Nelson; March; Tungsten; Elsie and Windy Tunnel; Tungsten Mtn. Nos. 6 & 9; Fitzsimmons No. 1) Black King Black River Eastview Occurrence Black Rose (12; 13; Rocky Mountain; Rogers No. 2; Blue Bell; Crackerjack; Black Squirrel) Black Rover Bobcat Occurrence (Mud Lake; Greenhorn; Philip Extension; Richard; Lone Tree; Crow; Nabob; Rake off; Corkscrew) Brace (Brace Tunnel) Catastrophe Chavez Mine Clara Clark Tunnel Cold Spring Mine Colorado Springs Tungsten Placer Conger Mine Copeland Mines (Copeland Group of Mines) Crete Cross Mine Cross No. 4 Cross Prospect (Cross No. 2; Holy Cross) Cross Spider Mine Crow No. 36 Crownpoint Crucible Steel Dillon Dozer Early Spring Empress (Sylvan Ute) Eureka Mine (Eureka Alta) F. G. Watrous Tungsten Prospect Fair Count Vein Occurrence Fitzgerald Fitzsimons No. One Floyd Fraction Lode (June; Lord Byron; Catastrophe; Evening Post Occurrence) Gale Mine Gem Georgia A. Mine Gold Coin Good Friday Mine Greenhorn Greyback Herald Occurrence Herold Hershoc (Comstock; Holland & Roxburg Lodes Occurrence) Hildegarde (Oregon Occurrence) Home Run Hoosier Extension Hoosier Mine Horseshoe Comstock Holland Roxbury Hugo Mine Hugo Ranch (Hugo No. 2; Hugo Ranch Tungsten Property) Hummer Hurricane Illinois (Quay) Iron Dyke Jack and Summit Jap Jay Bird Kekionga Mine Kicker Lady Luck Occurrence (Protection; Bluebird; Exchange; Hillside; Columbine; Miser's Tunnel; Little Jack; Little Major; Rudy No. 2; Long Tunnel; Iowa) Lake Last Chance (Nancy Henderson; Forest Home; Cold Spring Veins Occurrence) Nancy Henderson Lawrence Lily Long Shot Lookout Occurrence (Pleasant Dream Annie L.; Balmoral; April Fool; Smith; Little Lester; Parker; Luckie No. 2; March Wind-Red Bird) Lost Lake Lode Occurrence Luckie 2 (Luckie 2 Tungsten; Luckie 3; Smith) Ma W Mackenzie Mammoth Manchester May Flower Occurrence (Golden Harp; Cumberland; Rocky Mtn. Mammoth; Maud S.; Anna Clara; Bull Domingo) McKenzie Tunnel (Big Six; Charley; Lonesome Polecat; Townlot Occurrence) Minnie and Ohio Occurrence Minnie Foy Mine Misers Delight Mine Misers Dream Missing Link Occurrence (Roderick; Cross No. 2; Rambler-Lower Rambler; Minnesota; Brace Tract; Tennessee; Blackhalk) Mock Shaft Occurrence (Big Six Mine) Mogul Tunnel Occurrence Niagra No. 4 Norway One and Three Quarters Oneonta Paymaster-Wheelman Tunnel Occurrence (Black Crystal; Black Prince; Mac Group; Pennsylvania) Peewink Pennsylvania Lode Occurrence Philadelphia Phillip (Phillip Extension; Lone Tree; Rake Off) Piddler Poop-Out Claims Post Boy Poupout Primos Mine Primp Quaker City; Ophir; Pennsylvania; Peewink Rambler Range View Mine Red Signe Mine Ridge Rogers No. 1; 2; 3-5; 7-11 Occurrence Roose Tunnel Occurrence Roslyn Silent Friend Silver Queen Sister Emma Spider Leg St Elmo Steele Plate Tungsten Sunday Vein Occurrence Tanner Ten Tenderfoot Terror Town Lot Trail & Diamond Claims Tungsten Group (Tungsten Claims) Tungsten King Tungsten Lode Mine Unknown Gold - Tungsten Occurrence (MRDS - 10091282) Unknown Molybdenum Occurrence (MRDS - 10017284) Unknown Molybdenum Occurrence (MRDS - 10017365) Unknown Molybdenum Occurrence (MRDS - 10018001) Unknown Tungsten Occurrence (MRDS - 10017297) Vasco No. 1 Mine Vasco No. 2 & 5 Vasco No. 6 Vasco No. 8; Barker Nos. 1; 2; 4; Bonanza; Clark Tunnel Occurrence Vasco Nos. 4; 10 (Cross No. 1) Walker Ranch Western Star White Wild Tiger Mine Wilderness (Wilderness 2 & 3 Great Northern M.S.; Great Northern 1-15 Occurrence) William E. Walker Mine Wisconsin World Mine X Ray and Sherly Boulder Creek Granite Boulder West Red Lode Claim Buckskin Joe No. 1 Bummers Creek Placers Button R Dam Carfield Caribou District Belcher Mine Boulder County Mine Caribou Hill Deposits Columbia & Spencer Mines Comstock Occurrence Eclipse Eldora Enterprise Vein Occurrence Koh-I-Noor Tunnel Occurrence Gold King Occurrence Grand Island Caribou Mine (Caribou shaft) Consolidated Silver Caribou Mines Golden Reward Occurrence Grand Island Mine Shirley Lode Idaho Mine Isabel Mine Magner Mountain Goat Native Silver Mine No Name Mine (MRDS - 10108224) Pine Shade Mine Poorman Mine (2) Potosi & Cross Mines Radium (Elmer; & Nelson Veins) Revenge Occurrence Seven-Thirty Mine Sherman Silver Dollar Silver Point Mine Terror - Roseberry Occurrence Unknown Gold - Silver Occurrence (MRDS - 10017183) Unknown Gold - Silver Occurrence (MRDS - 10017187) Unknown Silver - Lead - Zinc (MRDS - 10018120) Unknown Silver Occurrence (MRDS - 10017330) Up To Date Mine Wade Hampton Mine Wigwam Central Mining District Comstock and Pandora Fairday Mine Orion (Orion Tunnel; Orion & Saddle No. 6 Fluorspar Mine) Seneca Mines Diamond Claims Victory Lode Claim Chingis Kahn Churchs Pit Coal Creek Partridge Lode Cold Spring No. 1 Colorado Brick Colorado Miracle Columbine Mine (New Girl; Anderson) Coon Trail Creek Placers Cracker Jack Crisman Bald Mountain Unnamed prospect Crystal Mountain Mona No. 9 Claim Degge Clark Devlin's Park Lake Dolittle Dry Lake Lucky Strike (Last Nickel) E. C. Hite Mine Eagle Rock Mine East Boston Eldora Stock Eldorado Eldorado Springs quadrangle Ella C Ellen Mine Essco Forlorn Hope Mine Fourmile Creek Placers Front Range Boulder area Victor Mine G and S Gilard Gold Hill District Alamakee Alaska Group American Amzy; Great Sphinx Occurrence Andesite Rock Quarry Arapahoe Group of Claims Archer Arrowhead Atchison Mine (Atchison and Eldorado) Atlanta Atlantic (Milwaukee; Emma Daniels; Pennsylvania Group; Black Diamond Occurrence) Bat Claim No. 1 (Corona Mine) Bell Group Belle of Memphis (Blackhawk; Horseshoe; Victoria; Mountain Chief; Fairfax; Olympic; Bighorn; Silver Queen; Scotia; Gowanda) Bellvue (Belview) Big Five (Black Jack Occurrence) Black Cloud Blue Eagle Occurrence Brodies Saint Vrain Carol Gore Centennial Tunnel Occurrence (Gov. Routt; Continental; Bismark; Bluebell Shaft & Tunnel; Canton; Mammoth; Scandia) Central Gulch Placers Chivington Lode Occurrence Cobalt - Gold Mining Company (Emily; Francis B.; Acme Occurrence) Col. Dick Occurrence (Yellow Aster; Puzzler; Northwestern; Leviathan Group; Alaska; Four Tree; Palladium) Cold Spring and Red Cloud Cold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud) Colorado Columbus Copper King (Gold Drop Occurrence) Corning Tunnel (Cold Spring; Alamakee; St. Joe; Blackhawk; Cash Occurrence) Dale Taylor Lease Loukon Dam Waters Group Denver City Occurrence (Contact; St. John; Skandia Group; Little Ida; Meadow Lark; Bald Mtn.; Old Hannah; Evening Star; New Prussian) Denver Post Occurrence Dewey Rocky Mountain Diamond K Electronic Emerson Escanaba and Humbolt Occurrence Evans (Grant; Great Britain Occurrence) Evening Star Fairfax Fallow Tunnel First National Bank Occurrence Fisk Five Brothers Fools Paradise Number 1 and 2 Forest Mine Franklin No. 5 Freiberg Mine George Henry Gillaspie and Big John Gina No. 1 and 2 Gladys (Temborine; Tamborine; Dime; Evening Star Dirigo Occurrence) Gold Hill Cash Mine Copper King Mine (Yeager's Mine) Little Johnny mine (Emancipation Group; Home Sweet Home Occurrence) Nancy Wood mine (Sugar Loaf; Forest; Pittsburg; Gray Copper) Gold Hill Occurrence (Rowena; Sunshine; Salina) Golden Bell Occurrence (Providence; Forget Me Not; Chamois; Last Chance; John Jay & MS; Kicking Horse; Cross; Cleveland; Surprise; Yates) Golden Slipper Occurrence (Bloomer; Parole; Protection; Johannesburg; Red Lion Occurrence) Goldsmith Maid Occurrence Good Hope Grace Grand Lodge Mine Grand Republic Occurrence Grand View Grant Gray Copper Great Britain Hammons Hawkeye Henna Henry No. 1 & No. 2 High Line Holt (Sound Currency; Star Occurrence) Homestake (Silent Friend; Cumberland; Morning Glory Occurrence) Hoodoo Howe Interocean Occurrence Iron King Tunnel (Jule Lode Tunnel) Jacobson and Lyons Jake Witter Johnson King Mountain King Occurrence (Dana; Gold Lode; Gillard; Doss; Lucky Star; Sakhart; Morning Glory) King Tunnel Occurrence Kirts Kline Lands End Last Chance (Gray Copper Emerson; Concord; Forest; Franklin Occurrence) Leoch Occurrence (Big John; Dolly; Worlds Fair; Gillespie; United Empire Mines Group; American; Missing Link; Hawkeye) Little Princess Little Ruby Logan & Sunbeam Occurrence Lost Boy (Lost Boy Lode) Loukonen Brothers Silica Mine Lucky Star Mack Macky McCall Quarries (Landau) McConnel McKnight Placer Melvina Minnie Barrel Occurrence More Mountain Plains Myrtle Occurrence New California Occurrence (Baltimore; Gray Bird; Philadelphia; Nimbus; Gold Chief; Boston; Gold King; Village Bell; Baxter; High Line; Cross; U.P.; Cornicopia) New York (New York Union; Pilot Occurrence) Noland Ogalla Ohio Tungsten Mine Ohline Osceola Parker Prospect (Rowena) Peacock Pfiefer Pilot Mine Plain View Plough Boy Polar Star Occurrence (Moltke; Tarbox; Oklahoma; Brainard Tunnel; Bismark; Superior; Empire No. 3; Ward; Lulu B.) Poorman Group Poorman Hill Ramey Rawley Ready Cash Red Cloud Mine (Chicago; Colorado Occurrence) Redstone Rex Mine Richard Occurrence (Minnie Bell; Washburn; White Eagle; Dolly; Plough Boy; Oceola; Gillaspie) Richmond Mine Rose Mary Occurrence Rough Rider (Monument; Gold Lode; Zuma; Lincoln Occurrence) Ruski Quarry Saklrat Silica Quarry (MRDS - 10117165) Silver Harp Silver Lode Sisk Mine Slide Mine Smokey Hill Mine St. Joe Mine St James Steamboat Valley Summers Summit Shaft Sunrise (Yellow Jacket; Don D.; Shelton; McDermit Occurrence) Sunshine Group Tammany Tennessee (American; White Crow; Golden Harp Occurrence) Three Brothers Times Tom Lyle Group Trombo United Building Stone United Empire University of Colorado Quarry Unknown Gold (MRDS - 10018199) Unknown Gold Occurrence (MRDS - 10017510) Unknown Gold Occurrence (MRDS - 10017618) Unknown Gold Occurrence (MRDS - 10017619) Unknown Gold Occurrence (MRDS - 10018288) Unknown Gold Occurrence (MRDS - 10091444) Unknown Lead - Silver - Zinc Occurrence (MRDS - 10017391) Unknown Silver - Gold Occurrence (MRDS - 10018187) Unknown Uranium Occurrence (MRDS - 10017616) Unknown Uranium Occurrence (MRDS - 10017623) Unknown Uranium Occurrence (MRDS - 10018191) Unknown Uranium Occurrence (MRDS - 10018195) Unknown Uranium Occurrence (MRDS - 10091481) Utica Occurrence Valley Forge Occurrence (Critic and Railroad Boy; Sunshine; Ingram; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond) Victoria (Scotia Occurrence) Viola Beatty Claim Virginia (Golden Key) Ward Ward H. Lamon Ward Rose Occurrence White and Headley Gold Mine Property White Crow White Eagle (Archer) White Rock Who Do Wild Dutchman Wilson beryl prospect Winona Wood Chuck Wood Mountain Group Gold Run Placers Grand Island Area Blue Bird Mine St. Louis Mine Green Mountain kimberlite Highland Occurrence Idaho Springs Formation J O Lode Jackson James Creek Placers Jamestown District Afterthought All American; Durias; Gray Copper Occurrence Argo Mine Badger Bananza Big Bore Occurrence (L. R. Evans; Silver Ledge; Invincible; Buchannan; Terry; George Walker; Mark T. and Atkinson; Warren) Bigthing Buckhorn Black Hope No. One Black Jack Black Rose mine Bradshaw Brown Spar (Browns Spar; Brownspar) Buckingham (Hathaway Placers) Buena mine Buena Vista Mine Nos. 1-2-3 Bueno (Buena Group) Burlington Mine Cal-Wood Mica Mine Cashier Castle Gulch Chancellor (Allied Jamestown) Clemens Consolation Mine December Des Moines Diana Durias Earl Emely Emmet Energy Occurrence Equator Escanoba Mine Fair Day Mine Farmer Boy Fidelity Lode claim (Unnamed cerite deposits) Flourspar Fourth of July Gibson Occurrence Gladiator Gladstone (Alice; McKinley Occurrence) Gold Cross Golden Age Golden Fox (Baltimore Belle; Ten Forty; Amazon; Glenwood Occurrence) Goldfinch Gordova Grand Central - Big Blossom Grand Union Green Spar Heil Hercules Hill Gulch Hopewell and Rusty Inexco Mine Humboldt Mine Ingersoll Invincible Occurrence Jamestown Alice Mine Blue Jay Mine Buckhorn Mine (Bigthing) Wano Mine Jimtown Mining Company Jumbo King Wilhelm mine L. Evans Lease Occurrence Lady Bug Occurrence LaSalle Mine area Last Chance Occurrence (Pine Shade) Lehman Lode Occurrence Leo the Lion Lode No. 1 Lewis Lode (Lewis No. 1 & 2; Lewis Slope) Lily (Lily of The West) Little Bessie (Lee Placer; Buckingham Placer) Little More Longfellow Lost Turn (Lafayette Occurrence) Lucky Lode Occurrence Lulu B. & Victory Claims (Gold Leaf Lode; Victory Group) Majestic Marc. No. 1 Occurrence Maude S Mikes Adit Miller Group Miranda A. Johnson Occurrence Mt Pleasent Nations Treasure (Nations Treasure Tunnel) New Century Occurrence North Soni Claim North Sopi Occurrence Northwestern (Stanislaus; Colorado; Simpson Placer) Nugget Group Orofino Overland Occurrence Mill Site Pickett Poorman Occurrence Porphry Mountain Red Spruce Occurrence Rio Tinto Rip Van Dam Rusty Gold Mine (Copper Blush Occurrence) Sancho Occurrence Sentinel Skunk Tunnel Smuggler Occurrence Spartan No. 5 Spruce Gulch Occurrence Stanley Vein Sunday Tungsten (Chance) True Blue Occurrence (Pioneer Placer; Lafayette; Tony Placer; Consolidated Placer; Lee Placer) Unknown Feldspar - Quartz Occurrence Unknown Feldspar - Quartz Occurrence (MRDS - 10165727) Unknown Gold Occurrence (MRDS - 10017004) Unknown Gold Occurrence (MRDS - 10018024) Unknown Gold Occurrence (MRDS - 10018032) Unknown Gold Occurrence (MRDS - 10018037) Unknown Gold Occurrence (MRDS - 10018052) Unknown Gold Occurrence (MRDS - 10018061) Unknown Gold Occurrence (MRDS - 10091435) Unknown Quartz - Feldspar Occurrence (MRDS - 10238892) Unknown Zinc - Lead (MRDS - 10018047) Walker Tunnel Warren Spar Occurrence Willard Placer (Violet Ray; Amazon; Rose M.; Esmeralda; E. W. Cobb Placer; Huntington Placer) Williamson Yellow Girl (Allied Jamestown; Yellow Girl Tunnel) Jenkins Pit Jenny Creek Blue Stone Mines Inc. Kingston Mine Lake Albion Albion; Comanche; Maine; Washington; Penobscot; Monarch Occurrence Snowy Range Mine Left Hand Creek District Beryl Lode Elkhorn Prospect (Tin Horn Occurrence) Highline Prospect New Girl Prospect Lefthand Creek Placer Little Bonnie Mine Longmont Brick & Tile Company Lucky Two Magnolia District American Eagle - Interocean Occurrence Beggar Belmont (Graphic; Holy Cross; Tungsten King Occurrence) Cheyenne (Modoc; Tiger Nos. 1 & 2 Occurrence) Dun Raven Mine Fortune Occurrence Golden Glow Humbug India Mine John Jay Mine Kansas City Tunnel Kekionga Mine Magnolia Vein Keystone Mine Lady Franklin Mine Little Maud Lord Byron Missoula Molly Gibson Mountain Lion Mine - Keystone Vein New Year Pandora No. 1 & 4 Lode Claims Park Placer (Congo Chief; Apex; Dominion; American; Josie Mansfield Placer; Don; Rico; Deyling; Enterprise) Pickwick Poorman Mine (1) Power Shaft Recluse Rusty Dime Sac and Fox Santa Lasaria (Mtn. Mexico; Bravo Occurrence) Mill Sites Senator Hill and Ophir Veins Snow Flake Sylvanite Tunnel Unknown Gold Occurrence (MRDS - 10017293) Unknown Gold Occurrence (MRDS - 10017366) Unknown Gold Occurrence (MRDS - 10091227) Unknown Gold Occurrence (MRDS - 10091290) Unknown Gold Occurrence (MRDS - 10091486) Unknown Silver Occurrence (MRDS - 10017327) Unnamed chrysotile dike Valley View Zephyr Occurrence Marshal (Langford Surface Iron) Marshall Marshall Clay Pit Martin Marietta Limestone Quarry McCann Clay Mine Mojave Morning Glory Nancy Group Nederland District Alahambra Allied Gold Mining Company Alton Tunnel Occurrence (Pine Grove) Anchor Audophone Ben C. Lowell Black Bear Bluebird Mine Boodle California Clara May Clyde Mine (Lily Mine; Gale Mine; Hoosier; Western Star) Cold Spring Nos. 2 & 4 Occurrence Congo Chief Cougar (Greyback Occurrence) Dutch Park and Silver Point Eskimo Ford Forest Home Lode (Forest Home & Cold Spring) Gold Farm Gordon Gulch Grant County Great Northern Happy Thought Hereafter Homestake Jasper Tunnel Occurrence Junior Shaft Little Pittsburg Magnolia Mary V May Blossom (Eclipse M. S.; Eclipse; Sherry; Potosi; Maggie Occurrence) May Blossom No. 2 Nederland Oregon Mine Ophir Otego Resumption Placer (Gold King; Copper Queen Nos. 2-9) Rocky Mountain Gold Mines Roger Patent Santa La Saria Scandia Vein Occurrence Sherwood Gulch Unnamed prospect Silver King Silver Lake Dam Spring Bear Stevens Camp Tunnels Telephone Tip Top Unknown Gold - Silver Occurrence (MRDS - 10017191) Unknown Gold Occurrence (MRDS - 10017272) Unknown Gold Occurrence (MRDS - 10017285) Unknown Gold Occurrence (MRDS - 10091233) Unknown Gold Occurrence (MRDS - 10091288) Unknown Silver - Gold Occurrence (MRDS - 10091285) Vasco No. 7 Vinegar Virginia Shaft Wagner Western Slope North Beaver Creek Placers North Boulder Creek Unnamed prospects Oklahoma Pits One and Two Puzzle Red Elephant Red Gold Rocky Flats and Plainview South Boulder Creek Placers Standard Mine Stump Occurrence Sugarloaf District Alpine Horn Amalban Thief Big Horn Shaft (Caribou) Big John Mine Bismark Boulder Mine Butch Cabin Occurrence (Matchless No. 1 & 2; Blue Jay; Minnie) Corundum Occurrence (J. B. Johnson; Broome Company; Brooks; Olympic; Honolulu; 2nd Ext. W. of 4th of July; Yellow Jacket) David Mine Dew Drop Occurrence Dodge Dorthy-Katie Mines Doss Doughty Placer (Rood Placer; Agricultural Land; Carbonate; Graham Placer) Empress Mine & Post Boy Tunnel Eureka Tungsten Mining Company Midway Tunnel Fair One Fairmount Fowler and Wells Ranch G. W. Horton Mill Site Occurrence (Church Placer; Clear Water Placer; Ravens View; Horseshoe Placer; Hubbard Placer) Golden Chest (Canton; Culebra Occurrence) Golden Crown Group Golden Eagle Occurrence Hallie A Tungsten Hidden Treasure Occurrence (Horace Newman Placer; Ravens View; Four Mile; Churchplacer; Horton Mill Site; Horton Placer; Blue Wing; B S X X; German Prince) Hideaway No. 1 High Grade Hillside Irene J. Albine John W. Fittslease Brodie Katie - Dorothy Mines Krakajak Number 1 lode Krakajak Number 2 lode Las Animas Mine Last Chance Occurrence (Last Chance No. 1) Leonidas (Olympia; Maymil A.; Park Placer) Little Belle & W. Extension Occurrence Livingston Group Lucky Lady Lugar Occurrence Marion Mill Melbourne Mine Milan Mine Mishap (Princess Eulalia; Crackerjack; Crete; Gold Coin; Gold Leaf Occurrence) Monday Lode Monitor Tunnel Montezuma Mystery Group N. G. Mitts Tungsten Prospect No. 1 N. G. Mitts Tungsten Prospect No. 2 National No. 2 Nederland Ni-Wot Night Shade Nil Sine Numine Nyanza Overseer Palladium (Architect; Starlight; Chrysolite Occurrence) Phillips (Meadow Lark; Lee S.; Sur No. 209; Storm Occurrence) Poormans Relief (Poormans Shaft; Poormans Tunnel) Potato Patch Mine Princess Eulalia Pueblo Belle Occurrence Puzzler Rafter Lease Roosevelt Lease Schoolhouse limburgite porphry Shields Simon Smoky Hill Mine Sparkling Jewel Vein Occurrence (Chapman Mine) Success No. 1 Occurrence Sunnyside Tornado Tungsten Lode Unknown Gold (MRDS - 10108251) Unknown Gold Occurrence (MRDS - 10017396) Unknown Tungsten Occurrence (MRDS - 10017524) Yellow Pine Sunset Copper Glance Dolly Varden Mine Free Coinage Orphan Boy Occurrence Red Hot Mine Sunshine Glad Eye Mine Lucile Mine Washburn Mine Sunshine Canyon deposit Sunshine Clay Mines Sussex Tri State Turnpike Twin Brothers Twin Sister United Mines Unknown Clay - Fire (Refractory; MRDS - 10108227) Unknown Gold Occurrence (MRDS - 10017012) Unknown Gold Occurrence (MRDS - 10017286) Unknown Gold Occurrence (MRDS - 10017287) Unknown Mica (MRDS - 10108334) Unknown Silver - Gold Occurrence (MRDS - 10017276) Unknown Silver - Gold Occurrence (MRDS - 10017279) Unknown Silver - Gold Occurrence (MRDS - 10018189) Unknown Stone - Crushed/Broken Occurrence (MRDS - 10016998) Unknown Stone - Crushed/Broken Occurrence (MRDS - 10017000) Unknown Stone - Crushed/Broken Occurrence (MRDS - 10017413) Wallstreet Long Gulch Unnamed pegmatite Ward District Alaska Tunnel Alcyone Alturas B & M Occurrence Baxter (Boston; Columbia; Madelaine; Niwot; Sullivan No. 5; Utica Occurrence) Bertha Occurrence Beryl No. 1 Prospect Beryl No. 2 Prospect Black Jack Mine Blue Coat Mine Bondholder Boston Buena Ventura Carl Gardner Catham Lode Occurrence Celestial (Celestial Extension; Morning Star Occurrence) Cleveland Copper Rock Mine Daisy Occurrence (St. Vrain Placer; Sunny View; Deacon Placer; West Columbia; Tionesta; Onawa; Timberline No. 3; Tempest No. 3) David Owen Delaware Group Diamond Group Eldorado Quarry Emilina Occurrence (Little Giant; Klondike; Connoton; Camera; Mountain Queen; Giles) Gertrude (President; Mermaid No. 1 & 2; Keystone Placer; Greenback) Glen Clover Gold Crystal Occurrence Gold Hill Beryl Claims Gold Lake & Manyon Occurrence Gold Lake Property Gold Lake Prospect (Diamond Claims; et al) Gold Ring (Gold Ring Tunnel) Golden Queen Occurrence Governor Group Great Western Greenback Occurrence Grey Eagle Mine Grouse Helen B Helena Horshoe Workings Ideal No. Two Keystone Placer (Evergreen; London; London Mill Site; London Extension) Klondike (Klondike No. 1; Klondike Mine; Klondyke) Last Chance Shaft (Midnight Tunnel Sulphide; Plymouth Rock; Last Chance Tunnel) Little Alice Lost Dutchman Madredoro Manyon Modoc Moon Mountain Squaw Mountain View (Orinoco Occurrence) N R A National Tungsten Nelson Nettie Nevco New Brunswick New Discovery Occurrence New Rival - Black Rose Nil Desperandum None (MRDS - 10263441) Occidental Pettie May Prussian Queen Mine Rose Ruby Occurrence Smoky Gold United Snowbound Mine St Louis Staughton Sun and Moon Mine (Desperandum Mine) Sureshot Tarbox Tunnel Three Occurrence Thunderbolt-Roman Eagle Tillie Botzel Tippecanoe Twin Vein Union Pacific (U.P.) Unknown Gold Occurrence (MRDS - 10017606) Unknown Gold Occurrence (MRDS - 10017607) Unknown Gold Occurrence (MRDS - 10018300) Unknown Gold Occurrence (MRDS - 10091306) Unknown Gold Occurrence (MRDS - 10091358) Unknown Quartz - Feldspar Occurrence (MRDS - 10117140) Wa Ba Na Occurrence (Tillie Butzel; Pennsylvania; Washington Irving; Nil Desperandum; Cleveland; Sun and Moon; St Louis; Grace; Burlington; Hidden Treasure; Delaware Group; Oceanic; Collins) Ward White Raven Mine Washington Irving White Cloud & Helena Mines Wolf Tongue West End Occurrence (Silver Resumption; Furlong; Jackpot; Park; Roy; Rag Tag No. 2; Looking Backward) West Sugarloaf Mountain White Rock Yellow Jacket

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!

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