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Colusite & Sphalerite

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SMM561834

Colusite & Sphalerite

Classic Locality
Rare Mineral

Description Tabs

Description
Locality: 
Pitone Quarry, Serravezza, Lucca Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2.5 cm
Description

A small crystal of colusite interpenetrated in a largest of sphalerite, an old classic from this old locality.

Boxed with Label
Mineral Data
What's on the rock

Colusite

Formula: 
Cu26V2(As,Sn,Sb)6S32
Strunz: 
2.CB.30
Hardness: 
3.0 - 4.0
Streak: 
Black
Type Locality: 
East Colusa Mine, Berkeley Pit, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

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