Fremont Co., Colorado, USA

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


Mineral List:

Actinolite ☐Ca   2 (Mg,Fe 2+   )   5 (Si   8 O   22 )(OH)   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Aegirine NaFe 3+   [Si   2 O   6 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Aegirine-augite (Na,Ca)(Fe 3+   ,Fe 2+   ,Mg,Al)Si   2 O   6 Reference: [] Aeschynite-(Y) (Y,Ca,Fe,Th)(Ti,Nb)   2 (O,OH)   6 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Albite Na[AlSi   3 O   8 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Albite var: Cleavelandite Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997; AMERICAN MINERALOGIST 50:96-104] Albite var: Oligoclase (Na,Ca)[Al(Si,Al)Si   2 O   8 ] Reference: [Am Min 50:1179-1212] Albite var: Oligoclase-Albite Reference: [AmMin 32:518-526 (1947)] 'Albite-Anorthite Series' Reference: [Minerals of Colorado (1997) Eckel, E. B.] 'Allanite' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Allanite-(Ce) {CaCe}{Al   2 Fe 2+   }[O|OH|SiO   4 |Si   2 O   7 ] Reference: ["Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997] Almandine Fe 2+ 3 Al   2 [SiO   4 ]   3 Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997] Amblygonite LiAl[(F,OH)|PO   4 ] Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Amesite Mg   2 Al[(OH)   4 |AlSiO   5 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997] 'Amphibole Group' Reference: [Minerals of Colorado (1997) E.B. Eckels] Analcime Na   2 [Al   2 Si   4 O   12 ] · 2H   2 O Reference: [] Anatase TiO   2 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] 'Ancylite' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Ancylite-(Ce) SrCe[OH|(CO   3 )   2 ] · H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Andalusite Al   2 [O|SiO   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Andradite Ca   3 Fe 3+ 2 [SiO   4 ]   3 Reference: [] Mica Lode mine (Mica Hill Mine), Eight Mile Park pegmatite District, Fremont Co., Colorado, USA © 2002 John H. Betts Anglesite PbSO   4 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Ankerite Ca(Fe 2+   ,Mg,Mn 2+   )(CO   3 )   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Annabergite Ni   3 (AsO   4 )   2 ·8H   2 O Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Anorthite Ca[Al   2 Si   2 O   8 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Anorthite var: Labradorite (Ca,Na)[Al(Al,Si)Si   2 O   8 ] Reference: [Am Min 50:1179-1212] Anthophyllite ☐[Mg   2 ][Mg   5 ][(OH)   2 |Si   8 O   22 ] Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] 'Apatite' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Chief lithium pegmatite, Texas Creek Area, Fremont Co., Colorado, USA   Apatite-(CaF) Ca   5 [F|(PO   4 )   3 ] Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] 'Apophyllite' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Arfvedsonite [Na][Na   2 ][Fe 2+ 4 Fe 3+   ][(OH)   2 |Si   8 O   22 ] Reference: [Am. Min. 51:1088-1106] Augite (Ca,Na)(Mg,Fe 2+   ,Al,Fe 3+   ,Ti)[(Si,Al)   2 O   6 ] Reference: [Minerals of Colorado (1997) Eckel, E. B.] Augite var: Titanian Augite (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)   2 O   6 Reference: [Minerals of Colorado (1997) E.B. Eckels] 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, updated & revised", p. 15, by Eckel, Edwin B., 1997] Baryte BaSO   4 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] 'Bastnäsite' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Bastnäsite-(Ce) (Ce,La)[F|CO   3 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Beryl Be   3 Al   2 Si   6 O   18 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).] Devils Hole Mine (Wild Rose Mine), Devils Hole Area, Fremont Co., Colorado, USA   Beryl var: Aquamarine Be   3 Al   2 Si   6 O   18 Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] Beyerite Ca(BiO)   2 (CO   3 )   2 Reference: [MinRec 29:165] Biotite Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Bismuth Bi Reference: [Minerals of Colorado (1997) Eckels, E. B.] Bismuthinite Bi   2 S   3 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Bismutite (BiO)   2 CO   3 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Bornite Cu   5 FeS   4 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Britholite-(Y) Ca   2 (Y,Ca)   3 [(OH,F)|(SiO   4 ,PO   4 )   3 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Brockite (Ca,Th,Ce)(PO   4 )·H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Calcite CaCO   3 Reference: [] Cancrinite Na   6 Ca   2 [(CO   3 )   2 |Al   6 Si   6 O   24 ] · 2H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Carnotite K   2 (UO   2 )   2 [VO   4 ]   2 · 3H   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Celestine SrSO   4 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Cerussite PbCO   3 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] 'Chalcedony' Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Chalcedony var: Agate' SiO   2 Description: Replacing dinosaur bones Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] 'Chalcedony var: Petrified Wood' Reference: [Minerals of Colorado (1997) E.B. Eckels] Chalcocite Cu   2 S Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Chalcopyrite CuFeS   2 Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide; Am Min 50:1179-1212] 'Chlorite Group' Reference: [Am Min 50:1179-1212] Chrysocolla (Cu,Al)   2 H   2 Si   2 O   5 (OH)   4 ·nH   2 O Reference: [Am Min 50:1179-1212] 'Clay' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Clinochlore (Mg,Fe 2+   )   5 Al[(OH)   8 |AlSi   3 O   10 ] Reference: [Minerals of Colorado (1997) Eckel, E. B.] Clinohumite (Mg,Fe 2+   )   9 [(F,OH)   2 |(SiO   4 )   4 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] 'Clinopyroxene Subgroup' Reference: [] Clinozoisite {Ca   2 }{Al   3 }[O|OH|SiO   4 |Si   2 O   7 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] 'Coal' Reference: [Rocks & Min.: 12: 116.] Coffinite (U,Th)[(OH)   4x |(SiO   4 )   1-x ] Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Columbite (Fe,Mn)(Nb,Ta)   2 O   6 Reference: [Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).] Mica Lode mine (Mica Hill Mine), Eight Mile Park pegmatite District, Fremont Co., Colorado, USA   Columbite-(Fe) FeNb   2 O   6 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Devils Hole Mine (Wild Rose Mine), Devils Hole Area, Fremont Co., Colorado, USA   Columbite-(Mn) (Mn,Fe)(Nb,Ta)   2 O   6 Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Columbite-Tantalite' Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] Copper Cu Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Cordierite (Mg,Fe)   2 Al   4 Si   5 O   18 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Covellite CuS Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Cryolite Na   3 [AlF   6 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Cummingtonite [ ][Mg   2 ][Mg   5 ][(OH)   2 |Si   8 O   22 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Cuprite Cu   2 O Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Diaspore AlO(OH) Reference: [Minerals of Colorado (1997) Eckels, E. B.] Dickite Al   2 Si   2 O   5 (OH)   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Diopside CaMg[Si   2 O   6 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Djurleite Cu   31 S   16 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Dolomite CaMg(CO   3 )   2 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Dumortierite (Al,Fe 3+   )   7 [O   3 |BO   3 |(SiO   4 )   3 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Elbaite [Na][(Li,Al)   3 ][Al   6 ][(OH)   3 |OH|(BO   3 )   3 |Si   6 O   18 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Chief lithium pegmatite, Texas Creek Area, Fremont Co., Colorado, USA   Elpasolite NaK   2 [AlF   6 ] Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Epidote {Ca   2 }{Al   2 Fe 3+   }[O|OH|SiO   4 |Si   2 O   7 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Euxenite-(Y) (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)   2 O   6 Reference: ["Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997] Cotopaxi feldspar mine (Henry pegmatite), Cotopaxi District, Fremont Co., Colorado, USA   'Feldspar Group' Reference: [Minerals of Colorado (1997) E.B. Eckels] 'Fergusonite' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Fersmite (Ca,Ce,Na)(Nb,Ta,Ti)   2 (O,OH,F)   6 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Fluorite CaF   2 Reference: [MinRec 26:577] Fremont Co., Colorado, USA © Rob Lavinsky Forsterite Mg   2 [SiO   4 ] Reference: [Minerals of Colorado (1997) Eckel, E. B.; Am Min 50:1179-1212] Fergusonite-(Y) YNbO   4 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] 'Gadolinite' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Gadolinite-(Y) Y   2 Fe 2+   Be   2 [O|SiO   4 ]   2 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Gahnite ZnAl   2 O   4 Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Grape Creek area, Fremont Co., Colorado, USA   Galena PbS Reference: [Dana 7:I:695.; Am Min 50:1179-1212] 'Garnet Group' X   3 Z   2 (TO   4 )   3 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V) Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] Gearksutite Ca[Al(F,OH)   5 (H   2 O)] Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] 'Geode' Reference: [Minerals of Colorado (1997) E.B. Eckels] Goethite α-Fe 3+   O(OH) Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Gold Au Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] Grossular Ca   3 Al   2 [SiO   4 ]   3 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Gypsum Ca[SO   4 ] · 2H   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Gypsum var: Alabaster Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Gypsum var: Satin Spar Gypsum Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Hematite Fe   2 O   3 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Hercynite FeAl   2 O   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Hexahydrite MgSO   4 ·6H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Hornblende' Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Hydrozincite Zn   5 [(OH)   3 |CO   3 ]   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Ilmenite Fe 2+   TiO   3 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Ilsemannite Mo   3 O   8 ·nH   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Jarosite KFe 3+     3 [(OH)   3 |SO   4 ]   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Kaersutite [Na][Ca   2 ][Mg   4 Ti][O|OH|Al   2 Si   6 O   22 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Kainosite-(Y) Ca   2 (Y,Ce)   2 Si   4 O   12 CO   3 ·H   2 O Reference: ["Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997] Kaolinite Al   2 Si   2 O   5 (OH)   4 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] 'K Feldspar' Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Kyanite Al   2 [O|SiO   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Lepidocrocite γ-Fe 3+   O(OH) Reference: [Minerals of Colorado (1997) Eckels, E. B.] Lepidolite Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Chief lithium pegmatite, Texas Creek Area, Fremont Co., Colorado, USA   Leucoxene Reference: [Am Min 50:1179-1212] Limonite FeO(OH)·nH   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Linarite PbCu[(OH)   2 |SO   4 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997] Lueshite NaNbO   3 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Magnesiohastingsite Na[Ca   2 ][Mg   4 Fe 3+   ][(OH)   2 |Al   2 Si   6 O   22 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Magnesioriebeckite [ ][Na   2 ][Mg   3 Fe 3+ 2 ][(OH)   2 |Si   8 O   22 ] Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Magnetite Fe 2+   Fe 3+ 2 O   4 Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] Malachite Cu   2 [(OH)   2 |CO   3 ] Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide; Am Min 50:1179-1212] Manganite Mn 3+   O(OH) Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Marcasite FeS   2 Reference: [Minerals of Colorado (1997) E.B. Eckels; Am Min 50:1179-1212] Maucherite Ni   11 As   8 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Meta-autunite Ca(UO   2 )   2 [PO   4 ]   2 · 6-8H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Metatorbernite Cu(UO   2 )   2 [PO   4 ]   2 · 8H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Mica Group' Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Microcline K[AlSi   3 O   8 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Microcline var: Amazonite Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Microlite (Ca,Na)   2 Ta   2 O   6 (O,OH,F) Reference: [Minerals of Colorado (1997) E.B. Eckels] Chief lithium pegmatite, Texas Creek Area, Fremont Co., Colorado, USA   Millerite ? NiS Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Molybdenite MoS   2 Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] 'Monazite' Reference: [Minerals of Colorado (1997) Eckels, E. B.] Monazite-(Ce) (Ce,La,Nd,Th)PO   4 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Montebrasite LiAl[(OH,F)|PO   4 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Montmorillonite (Na,Ca)   0.33 (Al,Mg)   2 Si   4 O   10 (OH)   2 ·nH   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Muscovite KAl   2 [(OH)   2 |AlSi   3 O   10 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Namibite Cu(BiO)   2 (VO   4 )(OH) Reference: [MinRec 29:165] Natrolite Na   2 [Al   2 Si   3 O   10 ] · 2H   2 O Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Natromontebrasite Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826; "Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Natroniobite NaNbO   3 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Nepheline (Na,K)[AlSiO   4 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Nickeline NiAs Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] 'Olivine' (Mg,Fe 2+   )   2 [SiO   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Opal SiO   2 ·nH   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Opal var: Wood Opal Reference: [Minerals of Colorado (1997) E.B. Eckels] Orthoclase K[AlSi   3 O   8 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Pachnolite NaCaAlF   6 ·H   2 O Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Parsonsite Pb   2 (UO   2 )[PO   4 ]   2 · 2H   2 O Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Perovskite CaTiO   3 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Phlogopite KMg   3 [(OH,F)   2 |AlSi   3 O   10 ] Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 50:1179-1212] Pickeringite MgAl   2 (SO   4 )   4 ·22H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] 'Pinite' Reference: [Minerals of Colorado (1997) Eckel, E. B.; Am Min 35:173-184] Powellite Ca[MoO   4 ] Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Prosopite CaAl   2 (F,OH)   8 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] 'Psilomelane' Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Pyrite FeS   2 Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide; Am Min 50:1179-1212] Portland Limestone quarry, Florence, Fremont Co., Colorado, USA © SMS 2006 Pyrochlore (Ca,Na)   2 Nb   2 O   6 (OH,F) Reference: [Minerals of Colorado (1997) Eckels, E. B.] Pyrolusite MnO   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Pyrrhotite Fe   7 S   8 , (-4M), also given as Fe   1-x S (x = 0 - 0.2) Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Quartz SiO   2 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Quartz var: Amethyst SiO   2 Reference: [Minerals of Colorado (1997) E.B. Eckels] Quartz var: Chert Reference: [Minerals of Colorado (1997) E.B. Eckels] Quartz var: Jasper Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Quartz var: Milky Quartz Reference: [Minerals of Colorado (1997) E.B. Eckels] Quartz var: Rose Quartz Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997; Rocks & Min.: 12:114.Rocks & Min.: 12:114.] Devils Hole Mine (Wild Rose Mine), Devils Hole Area, Fremont Co., Colorado, USA   Quartz var: Smoky Quartz SiO   2 Reference: [Am. Min. 51:1088-1106] Ralstonite NaMgAl(F,OH)   6 ·H   2 O Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Rhodochrosite MnCO   3 Reference: [Minerals of Colorado (1997) Eckel, E. B.] Riebeckite [ ][Na   2 ][Fe 2+ 3 Fe 3+ 2 ][(OH)   2 |Si   8 O   22 ] Reference: [Minerals of Colorado (1997) E.B. Eckels] Riebeckite var: Crocidolite Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Rutile TiO   2 Reference: [Minerals of Colorado (1997) E.B. Eckels] Rutile var: Ilmenorutile Fe   x (Nb,Ta)   2x ·4Ti   1-x O   2 Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Samarskite-(Y) (Y,Fe 3+   ,Fe 2+   ,U,Th,Ca)   2 (Nb,Ta)   2 O   8 Reference: ["Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997] 'Scapolite' Reference: [Am Min 50:1179-1212] Scheelite Ca[WO   4 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Schoepite (UO   2 )   8 O   2 (OH)   12 · 12H   2 O Reference: [Minerals of Colorado (1997) E.B. Eckels] Schorl [Na][Fe 2+ 3 ][Al   6 ][(OH)   3 |OH|(BO   3 )   3 |Si   6 O   18 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Schumacherite Bi   3 [O|OH|(VO   4 )   2 ] Reference: [MinRec 29:165] 'Sericite' Reference: [Am Min 50:1179-1212] 'Serpentine Group' D   2 [Si   2 O   5 ](OH)4 + or - nH   2 O Reference: [Am Min 50:1179-1212] Siderite FeCO   3 Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Sillimanite Al   2 [O|SiO   4 ] Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] Silver Ag Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Smythite (Fe,Ni)   9 S   11 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] Spessartine Mn 2+ 3 Al   2 [SiO   4 ]   3 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997; AMERICAN MINERALOGIST 50:96-104] Sphalerite (Zn,Fe 2+   )S Reference: [Dana 7:I:695.; Am Min 50:1179-1212] Spinel MgAl   2 O   4 Reference: [Minerals of Colorado (1997) Eckels, E. B.] Starkeyite MgSO   4 ·4H   2 O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Staurolite (Fe 2+   ,Mg,Zn)   1.5-2 Al   9 [O   6 |(OH,O)   2 |(SiO   4 )   4 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Strontianite SrCO   3 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Synchysite-(Ce) Ca(Ce,La)[F|(CO   3 )   2 ] Reference: [Minerals of Colorado (1997) Eckels, E. B.] Synchysite-(Y) Ca(Y,Ce)[F|(CO   3 )   2 ] Reference: ["Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997] Tantalite (Fe,Mn)(Ta,Nb)   2 O   6 Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Tellurobismuthite Bi   2 Te   3 Reference: [Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990] Tetrahedrite (Cu,Fe,Ag,Zn)   12 Sb   4 S   13 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Thorianite ThO   2 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Thorite (Th,U)[SiO   4 ] Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Thorogummite (Th,U)[(OH)   4x |(SiO   4 )   1-x ] Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Titanite CaTi[O|SiO   4 ] Reference: [Am Min 50:1179-1212; Am Min 50:1179-1212] Topaz Al   2 [(F,OH)   2 |SiO   4 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997; AMERICAN MINERALOGIST 50:96-104] Torbernite Cu(UO   2 )   2 (PO   4 )   2 ·12H   2 O Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] 'Tourmaline' AD   3 G   6 (BO   3 )   3 [T   6 O   18 ]Y   3 Z Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997; Am Min 50:1179-1212] 'Tourmaline var: Rubellite' Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] 'Tourmaline var: Watermelon Tourmaline' Reference: [Pearl, 1958. Colorado Gem Trails & Mineral Guide] Tremolite ☐[Ca   2 ][Mg   5 ][(OH)   2 |Si   8 O   22 ] Reference: [] Triplite (Mn 2+   ,Fe 2+   )   2 [(F,OH)|PO   4 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997] Mica Lode mine (Mica Hill Mine), Eight Mile Park pegmatite District, Fremont Co., Colorado, USA   Tyuyamunite Ca(UO   2 )   2 [VO   4 ]   2 · 5-8H   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Ulvöspinel Fe   2 TiO   4 Reference: [Minerals of Colorado (1997) E.B. Eckels] Uraninite UO   2 Reference: ["Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997] 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.] Uranpyrochlore (U,Ca,Ce)   2 (Nb,Ta)   2 O   6 (OH,F) Reference: [Minerals of Colorado (1997) E.B. Eckels] Uvarovite Ca   3 Cr   2 [SiO   4 ]   3 Description: Probably gahnite Reference: [Minerals of Colorado (1997) E.B. Eckels] Vermiculite (Mg,Fe,Al)   3 (Al,Si)   4 O   10 (OH)   2 ·4H   2 O Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Vesuvianite Ca   10 (Mg,Fe)   2 Al   4 Si   9 O   34 (OH)   4 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] 'Wad' Reference: [Minerals of Colorado (1997) Eckel, E. B.] Weberite Na   2 Mg[F|AlF   6 ] Reference: ["Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997] Wolframite (Fe 2+   )WO   4 to (Mn 2+   )WO   4 Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.] Xenotime-(Y) YPO   4 Reference: ["Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997] Yttrotantalite-(Y) (Y,Ca,U 4+   ,Fe 2+   )   2 (Ta,Nb)   2 O   8 Reference: [Minerals of Colorado (1997) E.B. Eckels] Zincite ? (Zn,Mn 2+   ,Fe 2+   )O Reference: [Minerals of Colorado (1997) Eckels, E. B.] Zinnwaldite KLiFe 2+   Al[(F,OH)   2 |AlSi   3 O   10 ] Reference: ["Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997; AMERICAN MINERALOGIST 50:96-104] Zircon Zr[SiO   4 ] Reference: [Am Min 50:1179-1212] Zircon var: Cyrtolite Zr[(SiO   4 ),(OH)   4 ] Reference: [Minerals of Colorado (1997) Eckel, E. B.] Cotopaxi feldspar mine (Henry pegmatite), Cotopaxi District, Fremont Co., Colorado, USA   Zoisite {Ca   2 }{Al   3 }[O|OH|SiO   4 |Si   2 O   7 ] Reference: [Am Min 50:1179-1212] Zoisite var: Thulite Reference: ["Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997]

235 entries listed. 168 valid minerals. 1 erroneous literature entry.

Localities in this Region:

USA   Colorado Fremont Co. Alnea; Horney Ganister; Burnito; McCourt; Flint; Climax; Darley (South Gorge) Annex 2a Arkansas River Placers District Unidentified Placer Occurrence (MRDS - 10017539) Unidentified Placer Occurrence (MRDS - 10017711) Unidentified Placer Occurrence (MRDS - 10017712) Unidentified Placer Occurrence (MRDS - 10017713) Unidentified Placer Occurrence (MRDS - 10017715) Unidentified Placer Occurrence (MRDS - 10017764) Unidentified Placer Occurrence (MRDS - 10018401) Unidentified Placer Occurrence (MRDS - 10018404) Unidentified Placer Occurrence (MRDS - 10018615) Unidentified Placer Occurrence (MRDS - 10018622) Unidentified Placer Occurrence (MRDS - 10018624) Unidentified Placer Occurrence (MRDS - 10018625) Unidentified Placer Occurrence (MRDS - 10018629) Unidentified Placer Occurrence (MRDS - 10018682) Unidentified Placer Occurrence (MRDS - 10018686) Unidentified Placer Occurrence (MRDS - 10091363) Unidentified Placer Occurrence (MRDS - 10091364) Unidentified Placer Occurrence (MRDS - 10091543) Badger Creek District Badger Creek Badger Creek Iron Deposit Unidentified Occurrence (MRDS - 10091368) Bassick Beacon Bear Gulch Beaver Creek Area Beaver Creek Upper Beaver Creek Road Beaver Creek Occurrence Quarry (MRDS - 10142143) Quarry (MRDS - 10215668) Quarry (MRDS - 10281145) Unknown Mica (MRDS - 10207772) Black Hawk Mines 1-4 Black Knight Blue Nugget Blue Ridge area Bonaccord Quarry Box Canyon Bull Gulch Mica Mine Bull Ridge Area/Devils Hole Area Unnamed Pegmatite (MRDS - 10010897) Burnito Ganister (Gannester) Calcite Quarry (MRDS - 10190422) Caldirola No. 2 Mine Caldirola Pit Canon City-Royal Gorge Area Unnamed Mercury Quarry (MRDS - 10107941) Canon City Area Arkansas River Empire Zinc Mine Endicott Mine (Weston-Endicott prospect) Femont Limestone South Unnamed pegmatite Canon City District Canon City Curio Hill (Specimen Ridge) Unnamed ridge Canon Dolomite Quarry Carson Chandler Creek Climax Colonna Colorado Travertine Copper Gulch Area Copper Gulch Deposit Leeks Lode Red Mountain Prospect (Mowe; Hollister and Drake Operation Claims: Mary Jean; Lucky Strike; Shamrock Claims) Wilson pegmatite Cotopaxi Area Cotopaxi Area Occurrence Cotopaxi District Carson Mining Company Prospect Coaldale Gypsum Quarry and Plant Colorado Barry Quarry Colorado Feldspar Pegmatite Cotopaxi feldspar mine (Henry pegmatite) Cotopaxi Mine (Cotopaxi Lode; Gumaer Mine; Fannie Lode; Fannie Mill) Cotopaxi Prospect (Sand Gulch Prospect) Howard Prospect Indian Mountain Iron Dollar Gulch Deposit Knob Hill Occurrence McCoy Prospects Mine Gulch Ogden Prospect Pine Ridge pegmatite Quarry (MRDS - 10239328) Quarry (MRDS - 10263665) Red Gulch Sand Gulch Prospect No. 2 Schaaf Prospect Sturbaum - Fister Mine Texas Creek Stone Quarry Unknown Feldspar Occurrence (MRDS - 10017722) Unknown Marble - Dimension Occurrence (MRDS - 10018678) Unnamed No. 2 Pegmatite Occurrence (MRDS - 10010898) West McCoy Gulch Property Zabresky pegmatite Cottonwood Creek Area Benton Prospect (Hilltop prospect) Bill and Bud 2 and 4 (LGO Lode Claims) Blue Jay (Blue Spar) Champion Calcite Eggleston Quarry Imperial Gray Quarry Lightning No. 2 Mine (Lightning No. 1-8; DAC Uranium; Honest John No. 1-15) Quarry (MRDS - 10264063) Round Mountain Cottonwood Creek Area/Little Cottonwood Creek Area Perry Delellis Claim Unidentified Occurrence (MRDS - 10087769) Democrat Creek alkalic complex Devils Hole Area Big Bear Occurrence (Big Hole; Cactus Claims) Bull Ridge Mine Devils Hole Mine (Wild Rose Mine) Devils Hole Quarry Quarry (MRDS - 10142100) Quarry (MRDS - 10288570) Table Mountain Unknown Feldspar Occurrence (MRDS - 10010892) Unknown Feldspar Occurrence (MRDS - 10142731) Deweese Plateau Copper Gulch Area Little Giant Claims War Dance Mine (War Dance Claims) Diamond Ducks Creek East Pierce Gulch Area Bear Claims Nos. 1 and 2 1977 (Old Cunac Property; Wagner-Grape Creek Lode) Echo Park Area Dreamer Mine Misery Mines (Satan Group; Joe and Bob Claims; Group of Claims; Misery Mines; Satan; Joe and Bob; Red Hill; Tanner Boy Group) Echo Stone Quarry Eight Mile Creek Area Bond Ranch Mine Nipple Mountain Prospect Eight Mile Park pegmatite District Border Feldspar Prospect No. 1 No. 2 Colfelco No. 12 Pegmatite Occurrence Consolidated Feldspar Corporation Mine (Feldspar Corporation Mine) Dell Prospect (C. B. Dell Prospect) Eight Mile Park Hoyt Adkins Ranch Anomaly 3 Occurrence Lorain Pegmatite Magnuson mine McMullin Lease No. 2 Occurrence Meyers - McMullin Pegmatite Occurrence Meyers quarry (Meyers Quarry; Meyers-Halstead Quarry; Suzana Claims; Suzanna Claims; Royal Gorge No. 2) Mica Lode-Meyers quarry Mica Lode mine (Mica Hill Mine) R. H. Magnuson Mine (Magnusson Crosscut) Rim Pegmatite Occurrence (Rim Prospect) Ring Pegmatite Occurrence (Ring Prospect) School Section mine (Shipley Cut; Meyers Cut) Suzanna Mine Twin Mountain Bumback Gulch Unnamed pegmatite Van Buskirk mine Florence Portland Limestone quarry Florence Area Canon City Deposit Ford Ranch Quarry Fourmile Creek Area Canon City Embayment Colexco Nos. 1-43 Claims (Red Cliff 30) D-C Claims (Samargar No. 7 Claim of Karl Pinnel on Dilley Ranch; Owl Claims) Deer Hill (Diamond Flint) Dilley Lease (Dilley Ranch) Felch Creek 1 Occurrence Rupp Property (Raup Mine 39) Unknown Marble - Dimension Occurrence (MRDS - 10017753) Unnamed fluorite occurrence Fremont Garden Park Gem Gulch Gem Park Area Letha Lee Prospect Mag Lode Prospect Niles Mine Unidentified Occurrence (MRDS - 10018412) Unknown Feldspar (MRDS - 10263874) Unknown Vermiculite (MRDS - 10018411) Vermiculite Mine (MRDS - 10013422) Gem Park complex Gem Mine Pine Creek drainage Goat Hill Goldie carbonatite Goldie Gulch Addey pegmatite Gooseberry Gulch Unnamed pegmatite Grape Creek area Grape Creek District (Greenhorn District) Adamic Cow Camp Workings Occurrence (Apollo Claim; Apollo No. 1 Claim 1977) Columbine Mine Copper Gulch Area Copper Girl (Copper Girl 1906; Patented Claims: Valley View) Copper King Mine (Copper King Claims Patented; Unpatented Claims: Sam 1-15 1977 Part; Dawson Mtn Workings) Cunac Occurrence Dawson Mountain Unnamed prospect Dawson Mountain - Surprise Group (Unpatented Claims: Sam 1-15 1977 Part; Copper Boy 1902) Deer Ridge Claim El Plomo Mine Good News No. 1 Property (Goat Park; Good News Complex) Good News No. 2 Claims (Goat Park) Grape Creek Area (Wagner-Grape Creek Lode; See: Hellgate Claims; Bear Claims Old Conac Property) Green Mountain Mine (Copper Boy Mine) Horse Shoe & El Ploma Horseshoe Mine (School Section Deposit) Joker Mine (Rocky Mountain Boy Claims Patented Claims) Tanner Boy Group (Red Hills Group) Unidentified Occurrence (MRDS - 10087767) Unidentified Occurrence (MRDS - 10087768) Unidentified Uranium Mine (MRDS - 10087776) Unknown Clay Occurrence (MRDS - 10018626) Gravel Pit (MRDS - 10118203) Gravel Pit (MRDS - 10142474) Gravel Pit (MRDS - 10166382) Gravel Pit (MRDS - 10167006) Gravel Pit (MRDS - 10239401) Gravel Pit (MRDS - 10263727) Gravel Pit (MRDS - 10263941) Gravel Pit (MRDS - 10288544) Gravel Pits (MRDS - 10288013) Grayback District (Russell District) Chicken & Hoppy Claims Gribbles Park Area Copperhead Mine Guffey District (Freshwater District) Currant Creek Area Charlene No. 1 Claim (Charlene Nos 2) Dicks Creek Four Claim Group Venture No. 1 Claim Isabel Mine Hays High Park Area Sand Creek Claims Hindman Gulch Hoover Quarry Howard Howard cemetery Howard quarry Mitchell Gulch Hunt's Peak Iron Mountain complex Iron Mountain McClure Mountain Brown Lava Lode Occurrence (Serpant; Pink Lady) Cabin Group carbonatite McClure Gulch carbonatite dike Kerrigan Quarry Kiln Gulch Kuntz Gulch Unnamed pegmatite Lamb (Houghton) Lantz Stone Quarry Last Hope Occurrence Little Badger Creek Long Gulch Area Joker Lode Iron Deposit (Iron Age Mine; Long Gulch Lode Claims; Iron Mine) Lookout Mountain Area Horsepasture Pegmatites Occurrence Ilmenite Pegmatite Occurrence (MRDS - 10010868) Jim 1 Mine Jim 3 Mine Jim 8 Occurrence Mountain Boy pegmatite Lucky Strike McClure Mountain Complex Amethyst carbonatite Copper Boy Road Iron Mountain Mine (Iron Mountain Deposit; Iron Mountain Titaniferous Magnetite Deposit) McCoy Gulch carbonatite McIntyre Gulch Area Morning Star Claims 1943 Quarry (MRDS - 10142415) St Mary No. 2 Occurrence McIntyre Hills Area Baker Gulch Prospect Jack of Diamonds Prospect Poverty Mountain Road Prospect Spikebuck Gulch Unnamed pegmatite Spikebuck Mine Unknown Mica - Feldspar Occurrence (MRDS - 10091544) Unknown Mica - Feldspar Occurrence (MRDS - 10091545) Unnamed Copper Pegmatite Occurrence (MRDS - 10013424) McIntyre Occurrence McLoughlin Stone Quarry Micanite District Betty Mine Climax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine) Lower South Mine (Whisper ? Mine) Micanite Ridge Rosemont Mine (East Mine) Rowe's No. 2 Mine Rowe's North Mine Rowe's South Prospect Tickon Prospect Upper South Mine Whopper Mine and Prospect Miller Ocean Wave Parkdale Parkdale Mine Phantom Lode (Phantom Canyon Beryl Prospect; Phantom Canyon Feldspar Mine) Pine Gulch Area Sunset Mine Pinon Peak breccia pipe Pleasanton Area Jones & Young Lease Poston Pegmatite Occurrence Quarry (MRDS - 10166335) Quarry (MRDS - 10166974) Quarry (MRDS - 10191148) Quarry (MRDS - 10239679) Quarry (MRDS - 10264356) Quarry Federal (MRDS - 10264326) Red Devil Red Gulch District Acme Property Colorado Copper Company Mine Copper Prince Mine Dirty Gulch Mine (Copper Prince Mine?) Indian Springs Gulch Prospect Queen Princess Property Red Gulch Mine Unknown Quartz (MRDS - 10264153) Red Onion River Clay Road Gulch Dreamers Hope carbonatite Rockvale Rogers Wellsville Royal Gorge S. P. Smith Salt Creek Sand Gulch Area Currant Creek Olhio Prospect Unnamed pegmatite Santa Fe No. 3 No. 4 Shaws Park Area Fourmile Creek Area Canon City Embayment Ant Claims Silica Mine Silver Plume Pegmatite Occurrence Sixmile Creek Area Alabaster Occurrence Swastika Soda Springs Park Area Beaver Creek Area Brandt Claims Southern Grape Creek District Hellgate Claims Nos. 1-12 (Hellgate Gulch Open Pit) Liberty Bond Claim South Fremont County Prospects Yorkville Area Prospects Southfield Cherokee Spalding Ranch Standard Mine State Rock Quarry Tallahassee Creek District A. E. Jones Claim (Taylor Soda Springs) Barbara Claims (True Blue Prospect; True Blue No. 1 Claim; Oliver No. 1 Claim) Cap Rock Mine (Cap Rock 40; Cap Rock Claims) Chimney Rock Mine Cottonwood Creek Pegmatite Occurrence Crescent Deposit Dickson - Snooper Mine (Ponderosa Ore Body; Snooper-Dickson Mine) East Big Wash Prospect (Sputnik No. 1) First Chance Mine Glen Williams Mine (Williams Mine) Gunnison School Section Mine (Section 36 Mine?; Colorado Lease 519) Hansen Ore Body Occurrence Hilltop Prospect James - Taylor Lease (Spring Valley Deposit) Joan 2 Mine (Seattle Chief Mine) Knob Hill Mine (Knob Hill Ore Body; Knob Hill Os; Dipper Mine; Nob Hill Mine) Last Chance Mine (Last Chance Pit) Little Abner Mine (Little Abner No. 1; Little Abney) Mary L. Group (Mary L. 1-6 Claims) Oliver Saddle Prospect Picnic Tree Mine (Picnic Tree Claims; Picnic Tree-Hall; Hall Homestead) Rainbow - Moose Pit Section 36 Mine (Glen Williams Mine?) Smaller Lease Sunshine Mine (Sunshine Claims; Sunshine No. 2) Thorn Claims (Thome 1-14; Thorn Homestead Mine; Thome Claims; Thorn 9 and 10) Unknown Feldspar Occurrence (MRDS - 10017756) Unknown Uranium (MRDS - 10159682) Unknown Uranium (MRDS - 10215143) Unnamed Copper Prospect (MRDS - 10013190) Unnamed Copper Prospect (MRDS - 10094558) Unnamed Manganese Prospect (MRDS - 10013189) Taylor Gulch Quarry Temple Canyon Area Temple Canyon Prospect Texas Creek Area Chief lithium pegmatite Debbie Jean Claims Devil's Hole Quarry (Wild Rose Claim; Zingheim Quarry) Florence Group Four Star Prospect Good Hope Dreamer Mine (Delano; Delano 5-12) Highway 50 roadcut Navajo Claims (Big Emma) Oliver Prospect Pegmatite Occurrence (MRDS - 10018402) Sheila I Prospect Texas Creek Prospect Unknown Mica - Feldspar (MRDS - 10018619) Unnamed Prospect Thirty Nine Mile Section 36 T17S R73W NW1/4 Thirtyone Mile Mountain Thunder Mount Quarry Triangle V (Trinagle V) Twelve Mile Park Carbonatites Smiths Gulch Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10017757) Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10018628) Unknown Clay (MRDS - 10017754) Unknown Clay (MRDS - 10108447) Unknown Clay Occurrence (MRDS - 10017763) Unknown Clay Occurrence (MRDS - 10018400) Unknown Dolomite - Silica (MRDS - 10108297) Unknown Dolomite (MRDS - 10017940) Unknown Feldspar Occurrence (MRDS - 10017766) Unknown Granite (MRDS - 10018415) Unknown Granite Occurrence (MRDS - 10010893) Unknown Gypsum-Anhydrite Occurrence (MRDS - 10017748) Unknown Gypsum - Anhydrite (MRDS - 10239158) Unknown Limestone - General (MRDS - 10018613) Unknown Limestone - General (MRDS - 10018621) Unknown Limestone - General (MRDS - 10108459) Unknown Marble - Dimension Occurrence (MRDS - 10017761) Unknown Quartz Occurrence (MRDS - 10142641) Unknown Silica (MRDS - 10017752) Unknown Silica (MRDS - 10018614) Unknown Silica Occurrence (MRDS - 10018627) Unknown Uranium (MRDS - 10239546) Unknown Vermiculite Occurrence (MRDS - 10017538) Unknown Vermiculite Occurrence (MRDS - 10017718) Upper Beaver Valley Gypsum No. 1 & 2 Upper Copper Gulch Area Sand Gulch Placer Upper Copper Gulch Claims Verlencia Vol-Poz No. 1-3 Occurrence Volcano Gulch Waugh Mountain Area Yellow Pine Barite Vein Occurrence Webster Park Area Boulder Creek tonalite Jesus Lode Occurrence Marsh Gulch Prospects Unnamed iron Prospects Welch Wellsville Area G. L. Davis Mine Galpin & Vreeland Claim Maverick Gulch Pine Canyon Lode Occurrence (Southmost Claim Group) Tumble Mountain Quarry U.S. Soils Quarry Unidentified Occurrence (MRDS - 10094573) Wellsville Deposit (Iron Mountain Deposit) Wet Mountains Area Bentley Pegmatite Big Mac Group (Big Mac Group 1-3) Dreamers Hope Claim Grape Creek & Serpent Prospect Gravel Pit (MRDS - 10264148) Griffen Property (A. Griffen Ranch) Homestake No. 2 Claim (Homestake No. 6; Homestake Claims) Hot Shot Claims McKinley Mountain Area Penny Ante Claim Tuttle Ranch Occurrence (Willis Tuttle Ranch) O. Tuttle Property Oak Creek Grade Prospect (Basin Ranch) Stinkhole Claim Sunrise Claims I; II and III Unknown Thorium - REE Occurrence (MRDS - 10018410) Westfall Gulch Titusville and Westfall Gulch Prospects (Grape Claims No. 2 1-19 1977; Unpatented Claims: Arbor Claims No. 1-9) White Angel; White Hills Occurrence White King; State Rock Whitehorn District Bona & Free Town Lode Marrs Memorial Blue Swissvale Quarry Unidentified Whitehorn Gold Deposit (MRDS - 10013836) Unidentified Whitehorn Placer Deposit (MRDS - 10090942) Williamsburg Willie Wilson Park Gooseberry Gulch Formation Wolf Park Wolf Park Mine Yellow Onion

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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