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Black Cloud Mine, Teller County, Colorado, USAi
Regional Level Types
Black Cloud MineMine
Teller CountyCounty
ColoradoState
USACountry

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05542410014963841531547.jpg
Looking Down Into the Main Cut

Black Cloud Mine, Teller County, Colorado, USA
01022450014960925728431.jpg
Samarskite-(Y)

Black Cloud Mine, Teller County, Colorado, USA
06497700014947609541202.jpg
Fluocerite-(Ce)

Black Cloud Mine, Teller County, Colorado, USA
05542410014963841531547.jpg
Looking Down Into the Main Cut

Black Cloud Mine, Teller County, Colorado, USA
01022450014960925728431.jpg
Samarskite-(Y)

Black Cloud Mine, Teller County, Colorado, USA
04018080014946280304520.jpg
Fluocerite-(Ce)

Black Cloud Mine, Teller County, Colorado, USA
05542410014963841531547.jpg
Looking Down Into the Main Cut

Black Cloud Mine, Teller County, Colorado, USA
01022450014960925728431.jpg
Samarskite-(Y)

Black Cloud Mine, Teller County, Colorado, USA
Latitude & Longitude (WGS84):
38° 56' 17'' North , 105° 12' 47'' West
Latitude & Longitude (decimal):
38.93833,-105.21333
GeoHash:
G#: 9wvjtb9bp
GRN:
N26W60
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Divide127 (2011)4.9km
Florissant104 (2011)6.6km
Midland156 (2011)10.0km
Woodland Park7,222 (2017)14.9km
Green Mountain Falls656 (2017)17.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Lake George Gem & Mineral clubLake George, Colorado13km
Colorado Springs Mineral SocietyColorado Springs, Colorado36km
Mindat Locality ID:
26810
Long-form identifier:
mindat:1:2:26810:2
GUID (UUID V4):
a29c8c2a-48cd-4422-ae6f-7060c62ee3f6
Other/historical names associated with this locality:
Black Cloud pegmatite; Spillman Prospect


A pegmatite mine located in the NE¼. NE¼ sec. 9, T.13S., R.70W.

Mineralization is a zoned pegmatite body in granite. Core zone: quartz; outer zone: quartz-feldspar-fluorite.

Workings include a large open cut with 2 benches.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


22 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Bastnäsite-(Ce)
Formula: Ce(CO3)F
ⓘ Bertrandite
Formula: Be4(Si2O7)(OH)2
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Cassiterite
Formula: SnO2
ⓘ Cerianite-(Ce)
Formula: (Ce4+,Th)O2
ⓘ 'Chlorite Group'
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ 'Fergusonite'
ⓘ Fluocerite-(Ce)
Formula: CeF3
ⓘ Fluorite
Formula: CaF2
ⓘ 'Gadolinite'
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'Limonite'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
ⓘ 'Monazite'
Formula: REE(PO4)
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ Quartz
Formula: SiO2
ⓘ Samarskite-(Y)
Formula: YFe3+Nb2O8
ⓘ Synchysite-(Y)
Formula: CaY(CO3)2F
ⓘ 'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
ⓘ Thorite
Formula: Th(SiO4)
ⓘ Törnebohmite-(Ce)
Formula: Ce2Al(SiO4)2(OH)
ⓘ 'Wad'
ⓘ Xenotime-(Y)
Formula: Y(PO4)
ⓘ Yttrotantalite-(Y)
Formula: (Y,U,Fe2+)(Ta,Nb)(O,OH)4
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘFluorite3.AB.25CaF2
ⓘFluocerite-(Ce)3.AC.15CeF3
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ-n
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘCassiterite4.DB.05SnO2
ⓘSamarskite-(Y)4.DB.25YFe3+Nb2O8
ⓘYttrotantalite-(Y)4.DG.10(Y,U,Fe2+)(Ta,Nb)(O,OH)4
ⓘCerianite-(Ce)4.DL.05(Ce4+,Th)O2
Group 5 - Nitrates and Carbonates
ⓘBastnäsite-(Ce)5.BD.20aCe(CO3)F
ⓘSynchysite-(Y)5.BD.20cCaY(CO3)2F
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘThorite9.AD.30Th(SiO4)
ⓘTörnebohmite-(Ce)9.AG.45Ce2Al(SiO4)2(OH)
ⓘBertrandite9.BD.05Be4(Si2O7)(OH)2
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMuscovite
var. Sericite		9.EC.15KAl2(AlSi3O10)(OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
ⓘ'Wad'-
ⓘ'Monazite'-REE(PO4)
ⓘ'Limonite'-
ⓘ'Chlorite Group'-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Gadolinite'-
ⓘ'Fergusonite'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ Törnebohmite-(Ce)Ce2Al(SiO4)2(OH)
Hⓘ Yttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
CCarbon
Cⓘ Bastnäsite-(Ce)Ce(CO3)F
Cⓘ Synchysite-(Y)CaY(CO3)2F
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ Bastnäsite-(Ce)Ce(CO3)F
Oⓘ BertranditeBe4(Si2O7)(OH)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CassiteriteSnO2
Oⓘ Cerianite-(Ce)(Ce4+,Th)O2
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MonaziteREE(PO4)
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ Samarskite-(Y)YFe3+Nb2O8
Oⓘ Synchysite-(Y)CaY(CO3)2F
Oⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Oⓘ ThoriteTh(SiO4)
Oⓘ Törnebohmite-(Ce)Ce2Al(SiO4)2(OH)
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ Yttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
Oⓘ ZirconZr(SiO4)
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Bastnäsite-(Ce)Ce(CO3)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ Fluocerite-(Ce)CeF3
Fⓘ FluoriteCaF2
Fⓘ Synchysite-(Y)CaY(CO3)2F
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Törnebohmite-(Ce)Ce2Al(SiO4)2(OH)
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ BertranditeBe4(Si2O7)(OH)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ ThoriteTh(SiO4)
Siⓘ Törnebohmite-(Ce)Ce2Al(SiO4)2(OH)
Siⓘ ZirconZr(SiO4)
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
PPhosphorus
Pⓘ MonaziteREE(PO4)
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ Xenotime-(Y)Y(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ Synchysite-(Y)CaY(CO3)2F
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mnⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Samarskite-(Y)YFe3+Nb2O8
Feⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Feⓘ Yttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
YYttrium
Yⓘ Samarskite-(Y)YFe3+Nb2O8
Yⓘ Synchysite-(Y)CaY(CO3)2F
Yⓘ Xenotime-(Y)Y(PO4)
Yⓘ Yttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Nbⓘ Samarskite-(Y)YFe3+Nb2O8
Nbⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Nbⓘ Yttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
SnTin
Snⓘ CassiteriteSnO2
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ceⓘ Bastnäsite-(Ce)Ce(CO3)F
Ceⓘ Cerianite-(Ce)(Ce4+,Th)O2
Ceⓘ Fluocerite-(Ce)CeF3
Ceⓘ Monazite-(Ce)Ce(PO4)
Ceⓘ Törnebohmite-(Ce)Ce2Al(SiO4)2(OH)
TaTantalum
Taⓘ Microlite GroupA2-mTa2X6-wZ-n
Taⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Taⓘ Yttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
ThThorium
Thⓘ Cerianite-(Ce)(Ce4+,Th)O2
Thⓘ ThoriteTh(SiO4)
UUranium
Uⓘ Yttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate

This page 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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Rocks & Minerals (xxxx) 63: 457.
Meeves, H.C., Harrer, C.M., Salsbury, M.H., Konselman, A.S., Shannon, S.S., Jr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. United States Bureau of Mines Information Circular 8298: 31 (Table A-1). https://repository.arizona.edu/handle/10150/629948
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