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Cuprite & Native Copper

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Cuprite & Native Copper

Description Tabs

Description
Locality: 
United Downs Mine, St Day, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 5 × 2.5 cm
Description

Tiny sprigs of native copper overlain with cuprite crystals to 1 mm

Mineral Data
What's on the rock

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Copper

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