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Native Copper On Chalcocite

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MMM38152

Native Copper On Chalcocite

Description Tabs

Description
Locality: 
Levant Mine, Pendeen, Cornwall, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.5 × 2 cm
Description

Wonderful old time specimen from the Levant Mine displaying a bunch of well crystalline copper sitting proud on chalcocite matrix which has altered to bornite.

Nice age patina to the copper, displays well.

Mineral Data
What's on the rock

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Chalcocite

Formula: 
Cu2S
Strunz: 
2.BA.05
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0