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Crown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USAi
Regional Level Types
Crown Mine (McMackin Mine)Mine
CusterCity
Custer Mining DistrictMining District
Custer CountyCounty
South DakotaState
USACountry

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PhotosMapsSearch
06841550017272073458951.jpg
End of Intrusion of Small Dike of Pegmatite

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
02059760017272073466625.jpg
Beryl

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
08693620017272073464276.jpg
Beryl

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
06841550017272073458951.jpg
End of Intrusion of Small Dike of Pegmatite

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
06964290017272015595236.jpg
Beryl

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
08693620017272073464276.jpg
Beryl

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
06841550017272073458951.jpg
End of Intrusion of Small Dike of Pegmatite

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
06964290017272015595236.jpg
Beryl

Crown Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
Latitude & Longitude (WGS84):
43° 47' 37'' North , 103° 38' 34'' West
Latitude & Longitude (decimal):
43.79378,-103.64281
GeoHash:
G#: 9xy31s3t7
GRN:
N30W54
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Custer1,952 (2017)4.6km
Hill City995 (2017)16.3km
Pringle109 (2017)21.0km
Keystone343 (2017)21.3km
Colonial Pine Hills2,493 (2017)35.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Western Dakota Gem & Mineral SocietyRapid City, South Dakota46km
Mindat Locality ID:
44829
Long-form identifier:
mindat:1:2:44829:4
GUID (UUID V4):
0


2 miles NW of Custer
The first pegmatite mine in the Black Hills that was exploited for mica in 1879

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Columbite-Tantalite'
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Heterosite
Formula: (Fe3+,Mn3+)PO4
ⓘ Lithiophilite var. Sicklerite
Formula: Li1-x(Mn3+xMn2+1-x)PO4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Siderite
Formula: FeCO3
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Triphylite
Formula: LiFe2+PO4

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘSiderite5.AB.05FeCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHeterosite8.AB.10(Fe3+,Mn3+)PO4
ⓘLithiophilite
var. Sicklerite		8.AB.10Li1-x(Mn3+xMn2+1-x)PO4
ⓘTriphylite8.AB.10LiFe2+PO4
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Columbite-Tantalite'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Liⓘ Lithiophilite var. SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
Liⓘ TriphyliteLiFe2+PO4
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ SideriteFeCO3
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Heterosite(Fe3+,Mn3+)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ⓘ SideriteFeCO3
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ TriphyliteLiFe2+PO4
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Heterosite(Fe3+,Mn3+)PO4
Pⓘ Lithiophilite var. SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
Pⓘ TriphyliteLiFe2+PO4
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MnManganese
Mnⓘ Heterosite(Fe3+,Mn3+)PO4
Mnⓘ Lithiophilite var. SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ Heterosite(Fe3+,Mn3+)PO4
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ SideriteFeCO3
Feⓘ TriphyliteLiFe2+PO4

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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