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Chalcopyrite Var Blister Copper

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CLB54880

Chalcopyrite Var Blister Copper

Classic Locality

Description Tabs

Description
Locality: 
Bristol Copper Mine, Bristol, Hartford County, Connecticut, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 5.2 × 4.3 cm
Description

Very nice cluster of strangely formed and blackened chalcopyrite - so-called "blister copper".

Rarely seen.

Mineral Data
What's on the rock

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Blister Copper

Variety Of: 

Chalcopyrite

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

Seller Information

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