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Double Rainbow Mine (Richmond Sitting Bull), Deadwood, Galena District, Lawrence Co., South Dakota, USAi
Regional Level Types
Double Rainbow Mine (Richmond Sitting Bull)Mine
Deadwood- not defined -
Galena DistrictMining District
Lawrence Co.County
South DakotaState
USACountry

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Key
Latitude & Longitude (WGS84):
44° 20' North , 103° 38' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Deadwood1,258 (2017)9.0km
Lead2,999 (2017)10.7km
Central City130 (2017)11.6km
Sturgis6,688 (2017)13.0km
Whitewood919 (2017)14.2km


Ref.: Rocks & Min.:60:111-112; Min.Rec.:1:124. A lead mine with galena as the principal ore mineral. Started mid-1960's. Features a shaft and some drifting.

Ref: Willard Lincoln Roberts, personal communication, 1984. Primarily operated as a bench scale project to determine the viability of operations. Silver recovery was very poor due to the high concentration of arsenic (as arsenopyrite). Material with the highest concentrations of arsenic were segregated on their own dump. This was the primary collecting location after closure of the test project and was remediated in approximately 1991 under the terms and conditions of another mine's operating permit.

This mine is a "Lower Contact" Deadwood Formation located approximately under the "Upper Contact" Richmond-Sitting Bull Mine. The Double Rainbow is primarily sulfides and the Richmond-Sitting Bull oxidized minerals.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: MinRec 1:124; Rocks & Min.:60:111-112.
Arsenopyrite
Formula: FeAsS
Reference: Rocks & Min.:60:111-112.
Chalcopyrite
Formula: CuFeS2
Reference: Rocks & Min.:60:111-112.
Galena
Formula: PbS
Reference: Rocks & Min.:60:111-112.
Marcasite
Formula: FeS2
Reference: Rocks & Min.:60:111-112.
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Reference: Rocks & Min.:60:111-112.
Pyrargyrite
Formula: Ag3SbS3
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Pyrite
Formula: FeS2
Reference: Rocks & Min.:60:111-112.
Siderite
Formula: FeCO3
Reference: Rocks & Min.:60:111-112.
Silver
Formula: Ag
Reference: Rocks & Min.:60:111-112.
Sphalerite
Formula: ZnS
Reference: Rocks & Min.:60:111-112.
Tetrahedrite
Formula: Cu6Cu4(Fe2+,Zn)2Sb4S12S
Reference: Rocks & Min.:60:111-112.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Polybasite2.GB.15[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6Cu4(Fe2+,Zn)2Sb4S12S
Group 5 - Nitrates and Carbonates
Siderite5.AB.05FeCO3

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø > 4
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
3 <ø < 4
Tetrahedrite3.3.6.1Cu6Cu4(Fe2+,Zn)2Sb4S12S
ø = 3
Pyrargyrite3.4.1.2Ag3SbS3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite14.1.1.3FeCO3

List of minerals for each chemical element

CCarbon
C SideriteFeCO3
OOxygen
O SideriteFeCO3
SSulfur
S AcanthiteAg2S
S GalenaPbS
S ArsenopyriteFeAsS
S Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
S PyriteFeS2
S ChalcopyriteCuFeS2
S TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
S MarcasiteFeS2
S SphaleriteZnS
S PyrargyriteAg3SbS3
FeIron
Fe ArsenopyriteFeAsS
Fe SideriteFeCO3
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Fe MarcasiteFeS2
CuCopper
Cu Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
ZnZinc
Zn TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
AgSilver
Ag AcanthiteAg2S
Ag Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Ag SilverAg
Ag PyrargyriteAg3SbS3
SbAntimony
Sb Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Sb TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Sb PyrargyriteAg3SbS3
PbLead
Pb GalenaPbS

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