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Bigger Mica Mine (Sweitzer Lode), Clear Creek pegmatite Province, Jefferson County, Colorado, USAi
Regional Level Types
Bigger Mica Mine (Sweitzer Lode)Mine
Clear Creek pegmatite ProvinceProvince
Jefferson CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
39° 33' 53'' North , 105° 12' 52'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Indian Hills1,280 (2011)6.1km
Aspen Park882 (2011)7.4km
Ken Caryl32,438 (2014)8.8km
Morrison434 (2017)10.1km
Idledale252 (2011)11.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Littleton Gem and Mineral Club, Inc.Littleton, Colorado18km
Colorado Mineral SocietyLakewood, Colorado19km
Denver Gem and Mineral GuildDenver, Colorado28km
Friends of Mineralogy - Colorado Chapter Denver, Colorado28km
Western Interior Paleontological SocietyDenver, Colorado28km
Mindat Locality ID:
6226
Long-form identifier:
mindat:1:2:6226:1
GUID (UUID V4):
0


A pegmatite mine located in the N½ sec. 3, T. 6 S., R. 70 W. on the low divide between South Turkey and Deer Creeks. Follow U.S. Highway 285 southwestward from Morrison to the old Turkey Creek (Tiny Town) Road; then turn southeastward on South Deer Creek Canyon Road. Continue for 0.7 mi to where a private road turns off to the right (southwest) to the nearby mine.

Mneralization is a zoned, sinuos pegmatite body in diorite schist. Core zone: quartz-microcline; intermediate zone: quartz-albite-muscovite; wall zone: quartz-microcline-albite-biotite.

Workings include a large open cut and a shaft.

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


11 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
ⓘ Bismuthinite
Formula: Bi2S3
ⓘ Bismutite
Formula: (BiO)2CO3
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Rose Quartz
Formula: SiO2
ⓘ 'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
ⓘ Torbernite ?
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Uraninite
Formula: UO2
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘBismuthinite2.DB.05Bi2S3
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘvar. Rose Quartz4.DA.05SiO2
ⓘUraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘBismutite5.BE.25(BiO)2CO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘTorbernite ?8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘ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'-

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
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
BeBeryllium
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ Bismutite(BiO)2CO3
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ⓘ Bismutite(BiO)2CO3
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Quartz var. Rose QuartzSiO2
Oⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ ZirconZr(SiO4)
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
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ⓘ 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ⓘ Quartz var. Rose QuartzSiO2
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
Sⓘ BismuthiniteBi2S3
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
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ⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
CuCopper
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
TaTantalum
Taⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
BiBismuth
Biⓘ BismuthiniteBi2S3
Biⓘ Bismutite(BiO)2CO3
UUranium
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Uⓘ UraniniteUO2

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