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Holy Terror Mine, Keystone Gold Mining District, Pennington County, South Dakota, USAi
Regional Level Types
Holy Terror MineMine
Keystone Gold Mining DistrictMining District
Pennington CountyCounty
South DakotaState
USACountry

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Latitude & Longitude (WGS84):
43° 53' 52'' North , 103° 25' 14'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Keystone343 (2017)0.3km
Hill City995 (2017)13.0km
Colonial Pine Hills2,493 (2017)14.8km
Hermosa392 (2017)19.5km
Custer1,952 (2017)20.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Western Dakota Gem & Mineral SocietyRapid City, South Dakota25km
Mindat Locality ID:
11867
Long-form identifier:
mindat:1:2:11867:6
GUID (UUID V4):
0


Ref.: Rocks & Min.:10:145-146 & 60:111. A gold mine.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Almandine
Formula: Fe2+3Al2(SiO4)3
Arsenopyrite
Formula: FeAsS
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Native Gold
Formula: Au
Native Silver
Formula: Ag
Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Staurolite
Formula: Fe2+2Al9Si4O23(OH)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Native Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H PickeringiteMgAl2(SO4)4 · 22H2O
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
H StauroliteFe22+Al9Si4O23(OH)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O AlmandineFe32+Al2(SiO4)3
O MuscoviteKAl2(AlSi3O10)(OH)2
O PickeringiteMgAl2(SO4)4 · 22H2O
O QuartzSiO2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O StauroliteFe22+Al9Si4O23(OH)
NaSodium
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg PickeringiteMgAl2(SO4)4 · 22H2O
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PickeringiteMgAl2(SO4)4 · 22H2O
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al StauroliteFe22+Al9Si4O23(OH)
SiSilicon
Si AlmandineFe32+Al2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si StauroliteFe22+Al9Si4O23(OH)
SSulfur
S ArsenopyriteFeAsS
S PickeringiteMgAl2(SO4)4 · 22H2O
S PyriteFeS2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
FeIron
Fe ArsenopyriteFeAsS
Fe AlmandineFe32+Al2(SiO4)3
Fe PyriteFeS2
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Fe StauroliteFe22+Al9Si4O23(OH)
AsArsenic
As ArsenopyriteFeAsS
AgSilver
Ag Native SilverAg
AuGold
Au Native GoldAu

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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