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Krupkaite & Benjaminite

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SHS193864

Krupkaite & Benjaminite

Description Tabs

Description
Locality: 
Julcani District, Angaraes Province, Huancavelica Department, Peru
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.6 × 0.6 cm
Description

 Krupkaite and benjaminite and friedrichite on matrix

Mineral Data
What's on the rock

Krupkaite

Formula: 
PbCuBi3S6
Strunz: 
2.HB.05a
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Streak: 
black
Type Locality: 
Barbora adit, Knöttel area (Knötel; Knödel; Knödlberg), Krupka (Graupen), Krušné Hory Mts (Erzgebirge), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic

Benjaminite

Formula: 
(Ag,Cu)3(Bi,Pb)7S12
Strunz: 
2.JA.05e
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Outlaw Mine, Round Mountain District, Toquima Range, Nye Co., Nevada, USA