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Chamosite

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Chamosite

Ex. Dan Weinrich (U.S dealer) & Pullman Collection (U.S)
Classic Locality

Description Tabs

Description
Locality: 
South Caradon Mine, St Cleer, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3.2 × 2.2 cm
Description

Dark green crystalline chamosite occurs together with quartz. There is also some minor pyrite and possibly chalcopyrite. Good for the species and locality.

Mineral Data
What's on the rock

Chamosite

Formula: 
(Fe2+,Mg)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
3.0
Type Locality: 
Haut de Cry, Chamoson, Wallis (Valais), Switzerland
Gondwana Minerals