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Blister Copper

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WND811501

Blister Copper

Classic Locality

Description Tabs

Description
Locality: 
Cooks Kitchen Mine, Pool, Carn Brea, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 2.6 × 2.5 cm
Description

Numerous of slightly crystallized spheres of chalcopyrite as so-called Blister Copper from the famous Cornish locality Cook´s Kitchen Mine. The single botryoidal aggregates are showing a partly glistening surface and the colour changes from dark golden to bluish black what is cause by tarnishing. A fine mini.

Mineral Data
What's on the rock

Blister Copper

Variety Of: 

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Hardness: 
3.5 - 4.0
Hardness: 
0.0
Colour: 
Brassy
Wendel Minerals

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