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Proustite & Pearceite

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SHS55465

Proustite & Pearceite

Description Tabs

Description
Locality: 
Nieder-Beerbach, Hesse, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.8 × 1.2 cm
Description

Proustite and pearceite in native arsenic

Mineral Data
What's on the rock

Proustite

Formula: 
Ag3AsS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 2.5

Pearceite

Formula: 
[(Ag,Cu)6(As,Sb)2S7][Ag9CuS4]
Strunz: 
2.GB.15
Hardness: 
2.5 - 3.0
Streak: 
black
Type Locality: 
Mollie Gibson Mine (Molly Gibson Mine), Aspen, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA
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