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Benewah Co., Idaho, USA
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Detailed Mineral List:
Almandine
Formula: Fe2+3Al2(SiO4)3
Localities: Emerald Creek Placer, Camas Cove District, Benewah Co., Idaho, USA
St. Maries, Benewah Co., Idaho, USA
Photo: © Rob Lavinsky . Almandine from St. Maries, Benewah Co., Idaho, USA
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Locality: Rainbow No. 3 Prospect (Victory Claim Group; Elephant Claim Group; Ulysses Claim Group; Buffalo Claim Group), Roundtop District, Benewah Co., Idaho, USA
Calcite
Formula: CaCO3
Localities: Big Five Group Prospect, Roundtop District, Benewah Co., Idaho, USA
Rainbow No. 3 Prospect (Victory Claim Group; Elephant Claim Group; Ulysses Claim Group; Buffalo Claim Group), Roundtop District, Benewah Co., Idaho, USA
Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Locality: Lenty Uranium Prospect, Benewah Area, Benewah Co., Idaho, USA
Chalcopyrite
Formula: CuFeS2
Localities: Big Five Group Prospect, Roundtop District, Benewah Co., Idaho, USA
Hired Girl Prospect, Roundtop District, Benewah Co., Idaho, USA
Monarch Prospect, Roundtop District, Benewah Co., Idaho, USA
Rainbow No. 3 Prospect (Victory Claim Group; Elephant Claim Group; Ulysses Claim Group; Buffalo Claim Group), Roundtop District, Benewah Co., Idaho, USA
Silver Star Prospect, Roundtop District, Benewah Co., Idaho, USA
'Clay'
Localities: Benewah Lake Clay Occurrence, St. Maries Area, Benewah Co., Idaho, USA
Chatcolet Lake Clay Occurrence, St. Maries Area, Benewah Co., Idaho, USA
St. Maries Clay Occurrence (St. Maries Peak), St. Maries Area, Benewah Co., Idaho, USA
Galena
Formula: PbS
Localities: Reported from at least 6 localities in this region.
Goethite
Formula: α-Fe3+O(OH)
Localities: Desmet, Benewah Co., Idaho, USA
Tensed, Benewah Co., Idaho, USA
Gold
Formula: Au
Localities: Tyson Placer, Camas Cove District, Benewah Co., Idaho, USA
White Elephant Mine, Camas Cove District, Benewah Co., Idaho, USA
Malachite
Formula: Cu2(CO3)(OH)2
Locality: Big Five Group Prospect, Roundtop District, Benewah Co., Idaho, USA
Pyrite
Formula: FeS2
Localities: Big Five Group Prospect, Roundtop District, Benewah Co., Idaho, USA
Butte Mining Company Prospect, Roundtop District, Benewah Co., Idaho, USA
Hired Girl Prospect, Roundtop District, Benewah Co., Idaho, USA
Monarch Prospect, Roundtop District, Benewah Co., Idaho, USA
Mountain View Mining Company Prospect, Roundtop District, Benewah Co., Idaho, USA
Pyromorphite
Formula: Pb5(PO4)3Cl
Locality: Big Five Group Prospect, Roundtop District, Benewah Co., Idaho, USA
Pyrrhotite
Formula: Fe1-xS (x = 0 to 0.17)
Localities: Big Five Group Prospect, Roundtop District, Benewah Co., Idaho, USA
Butte Mining Company Prospect, Roundtop District, Benewah Co., Idaho, USA
Hired Girl Prospect, Roundtop District, Benewah Co., Idaho, USA
Monarch Prospect, Roundtop District, Benewah Co., Idaho, USA
Rainbow No. 3 Prospect (Victory Claim Group; Elephant Claim Group; Ulysses Claim Group; Buffalo Claim Group), Roundtop District, Benewah Co., Idaho, USA
Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
Silver
Formula: Ag
Locality: Rainbow No. 3 Prospect (Victory Claim Group; Elephant Claim Group; Ulysses Claim Group; Buffalo Claim Group), Roundtop District, Benewah Co., Idaho, USA
Sphalerite
Formula: ZnS
Localities: Butte Mining Company Prospect, Roundtop District, Benewah Co., Idaho, USA
Monarch Prospect, Roundtop District, Benewah Co., Idaho, USA
Rainbow No. 3 Prospect (Victory Claim Group; Elephant Claim Group; Ulysses Claim Group; Buffalo Claim Group), Roundtop District, Benewah Co., Idaho, USA
Silver Star Prospect, Roundtop District, Benewah Co., Idaho, USA
Staurolite
Formula: (Fe2+,Mg,Zn)1.5-2Al9(SiO4)4O6(OH,O)2
Locality: Carpenter Creek, Benewah Co., Idaho, USA
Photo: Staurolite from Carpenter Creek, Benewah Co., Idaho, USA
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Locality: Monarch Prospect, Roundtop District, Benewah Co., Idaho, USA


18 entries listed. 17 valid minerals.
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