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Grover Mine (Grover pegmatite; Windsor), Clear Creek County, Colorado, USAi
Regional Level Types
Grover Mine (Grover pegmatite; Windsor)Mine
Clear Creek CountyCounty
ColoradoState
USACountry

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03815150017272022684318.jpg
Trench

Grover Mine, Clear Creek County, Colorado, USA
01180070017272022708990.jpg
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Grover Mine, Clear Creek County, Colorado, USA
03815150017272022684318.jpg
Trench

Grover Mine, Clear Creek County, Colorado, USA
01180070017272022708990.jpg
Loading Bin

Grover Mine, Clear Creek County, Colorado, USA
03815150017272022684318.jpg
Trench

Grover Mine, Clear Creek County, Colorado, USA
01180070017272022708990.jpg
Loading Bin

Grover Mine, Clear Creek County, Colorado, USA
Latitude & Longitude (WGS84):
39° 43' 8'' North , 105° 27' 16'' West
Latitude & Longitude (decimal):
39.71889,-105.45444
GRN:
N27W59
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Idaho Springs1,728 (2017)5.7km
Black Hawk125 (2017)9.3km
Central City724 (2017)10.5km
Upper Bear Creek1,059 (2017)11.0km
Downieville-Lawson-Dumont594 (2011)14.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Colorado Mineral SocietyLakewood, Colorado32km
Mile High Rock and Mineral SocietyArvada, Colorado33km
Flatirons Mineral ClubBoulder, Colorado36km
Littleton Gem and Mineral Club, Inc.Littleton, Colorado39km
Denver Gem and Mineral GuildDenver, Colorado40km
Mindat Locality ID:
6072
Long-form identifier:
mindat:1:2:6072:4
GUID (UUID V4):
0


A pegmatite mine located in the S½ SE¼ sec. 9 & SW SW¼ sec. 10, T.4S., R.72W.

Mineralization is a zoned pegmatite outcrop of 1,000 feet long and 40 feet wide concordant in gneiss.

Workings include a 110 foot long adit and a large trench.

Commodities (Major) - Mica, Niobium (Columbium), Tantalum, Feldspar, REE, Beryllium
Development Status: Producer

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


10 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
✪ 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
✪ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ Fluorite
Formula: CaF2
✪ Gahnite
Formula: ZnAl2O4
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Hercynite
Formula: Fe2+Al2O4
ⓘ Microcline
Formula: K(AlSi3O8)
✪ 'Microlite Group'
Formula: A2-mTa2X6-wZ1-n
✪ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
✪ Samarskite-(Y)
Formula: YFe3+Nb2O8
ⓘ 'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ1-n
ⓘGahnite4.BB.05ZnAl2O4
ⓘHercynite4.BB.05Fe2+Al2O4
ⓘQuartz4.DA.05SiO2
ⓘSamarskite-(Y)4.DB.25YFe3+Nb2O8
Group 9 - Silicates
ⓘBertrandite9.BD.05Be4(Si2O7)(OH)2
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
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ⓘ GahniteZnAl2O4
Oⓘ HercyniteFe2+Al2O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Samarskite-(Y)YFe3+Nb2O8
Oⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluoriteCaF2
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ⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ GahniteZnAl2O4
Alⓘ HercyniteFe2+Al2O4
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
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ⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
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
CaCalcium
Caⓘ FluoriteCaF2
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
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ HercyniteFe2+Al2O4
Feⓘ Samarskite-(Y)YFe3+Nb2O8
Feⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
ZnZinc
Znⓘ GahniteZnAl2O4
YYttrium
Yⓘ Samarskite-(Y)YFe3+Nb2O8
NbNiobium
Nbⓘ Samarskite-(Y)YFe3+Nb2O8
Nbⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
TaTantalum
Taⓘ Microlite GroupA2-mTa2X6-wZ1-n
Taⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

BOOS, M. F., 1954, GENESIS OF PRECAMBRIAN GRANITIC PEGMATITES IN THE DENVER MOUNTAIN PARKS AREA, COLORADO, GEOL. SOC. BULL., V. 65, NO.
Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.24 - (Table A-1)
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