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Pearceite

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Pearceite

Description Tabs

Description
Locality: 
Seikoshi Mine, Izu City, Shizuoka Prefecture, Honshu Island, Japan
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
0.7 × 1.8 × 1.4 cm
Description

Silver-grey metallic crystals of pearceite

Mineral Data
What's on the rock

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