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Chalcopyrite On Blister Copper

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PJM79384

Chalcopyrite On Blister Copper

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Cooks Kitchen Mine, Pool, Carn Brea, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.1 × 4.5 × 2.5 cm
Description

Fine old specimen of blister copper ‘chalcopyrite’ from the Cooks Kitchen MineSpecimen displays deep brass colored blister copper with a scattering of micro chalcopyrite crystals, some altered to bornite. 

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
Earthstones Australia

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