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Bohdanowiczite & Goldfieldite

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JYJ704297

Bohdanowiczite & Goldfieldite

Description Tabs

Description
Locality: 
May Day Mine, La Plata County, Colorado, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.2 × 0.4 cm
Description

Combination of grey bohdanowiczite, goldfieldite and calaverite with native gold in matrix. Cut section, SEM-EDS confirmed material. 

Mineral Data
What's on the rock

Bohdanowiczite

Formula: 
AgBiSe2
Strunz: 
2.JA.20
Crystal System: 
Trigonal
Hardness: 
3.0 - 3.5
Type Locality: 
Kletno, Kłodzko District, Lower Silesia (Dolnośląskie), Poland

Goldfieldite

Formula: 
Cu10Te4S13
Strunz: 
2.GB.05
Hardness: 
3.0 - 3.5
Type Locality: 
Mohawk Mine, Goldfield, Goldfield District, Esmeralda Co., Nevada, USA