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Edison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USAi
Regional Level Types
Edison MineMine
KeystoneTown
Keystone Mining DistrictMining District
Pennington CountyCounty
South DakotaState
USACountry

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Latitude & Longitude (WGS84):
43° 53' 2'' North , 103° 24' 18'' West
Latitude & Longitude (decimal):
43.88389,-103.40500
GeoHash:
G#: 9xy3wuyf0
GRN:
N30W54
Type:
Mine
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Keystone343 (2017)1.7km
Hill City995 (2017)14.7km
Colonial Pine Hills2,493 (2017)15.5km
Hermosa392 (2017)17.8km
Custer1,952 (2017)20.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Western Dakota Gem & Mineral SocietyRapid City, South Dakota26km
Mindat Locality ID:
45064
Long-form identifier:
mindat:1:2:45064:2
GUID (UUID V4):
0
Other/historical names associated with this locality:
Hector Fraction; Bull Con; Gold Star claims; Sitting Bull


A pegmatite occurrence located 1.7 km (1.0 mile) SE of Keystone and 1.5 km (0.9 mile) NW of Glendale (site).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


20 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
ⓘ Amblygonite
Formula: LiAl(PO4)F
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
ⓘ Grunerite
Formula: ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
ⓘ Heterosite
Formula: (Fe3+,Mn3+)PO4
ⓘ Holmquistite
Formula: ◻{Li2}{Mg3Al2}(Si8O22)(OH)2
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Lithiophilite
Formula: LiMn2+PO4
ⓘ Lithiophilite var. Sicklerite
Formula: Li1-x(Mn3+xMn2+1-x)PO4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Spodumene
Formula: LiAlSi2O6
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Triphylite
Formula: LiFe2+PO4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHeterosite8.AB.10(Fe3+,Mn3+)PO4
ⓘLithiophilite8.AB.10LiMn2+PO4
ⓘvar. Sicklerite8.AB.10Li1-x(Mn3+xMn2+1-x)PO4
ⓘTriphylite8.AB.10LiFe2+PO4
ⓘAmblygonite8.BB.05LiAl(PO4)F
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘHolmquistite9.DD.05◻{Li2}{Mg3Al2}(Si8O22)(OH)2
ⓘGrunerite9.DE.05◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
ⓘGlaucophane9.DE.25◻[Na2][Mg3Al2]Si8O22(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Hⓘ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Hⓘ Holmquistite◻{Li2}{Mg3Al2}(Si8O22)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Liⓘ AmblygoniteLiAl(PO4)F
Liⓘ Holmquistite◻{Li2}{Mg3Al2}(Si8O22)(OH)2
Liⓘ LithiophiliteLiMn2+PO4
Liⓘ Lithiophilite var. SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
Liⓘ SpodumeneLiAlSi2O6
Liⓘ TriphyliteLiFe2+PO4
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AmblygoniteLiAl(PO4)F
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CalciteCaCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Oⓘ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Oⓘ Heterosite(Fe3+,Mn3+)PO4
Oⓘ Holmquistite◻{Li2}{Mg3Al2}(Si8O22)(OH)2
Oⓘ IlmeniteFe2+TiO3
Oⓘ LithiophiliteLiMn2+PO4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Lithiophilite var. SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
Oⓘ SpodumeneLiAlSi2O6
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ TriphyliteLiFe2+PO4
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ AmblygoniteLiAl(PO4)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Mgⓘ Holmquistite◻{Li2}{Mg3Al2}(Si8O22)(OH)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AmblygoniteLiAl(PO4)F
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Alⓘ Holmquistite◻{Li2}{Mg3Al2}(Si8O22)(OH)2
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ SpodumeneLiAlSi2O6
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Siⓘ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Siⓘ Holmquistite◻{Li2}{Mg3Al2}(Si8O22)(OH)2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ SpodumeneLiAlSi2O6
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
PPhosphorus
Pⓘ AmblygoniteLiAl(PO4)F
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Heterosite(Fe3+,Mn3+)PO4
Pⓘ LithiophiliteLiMn2+PO4
Pⓘ Lithiophilite var. SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
Pⓘ TriphyliteLiFe2+PO4
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ PyriteFeS2
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
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
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ TitaniteCaTi(SiO4)O
MnManganese
Mnⓘ Heterosite(Fe3+,Mn3+)PO4
Mnⓘ LithiophiliteLiMn2+PO4
Mnⓘ Lithiophilite var. SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Feⓘ Heterosite(Fe3+,Mn3+)PO4
Feⓘ IlmeniteFe2+TiO3
Feⓘ PyriteFeS2
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ TriphyliteLiFe2+PO4
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
NbNiobium
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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

USGS Professional Paper 297.
American Mineralogist (1988): 73: 324-337.
Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA. Rocks & Minerals, 75 (3) 156-169 doi:10.1080/00357520009605635
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