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Copper & Cassiterite

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MMM32876

Copper & Cassiterite

Description Tabs

Description
Locality: 
Wheal Pendarves, Troon, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 5.5 × 3 cm
Description

A rare and unusual association of crystalline native copper with cassiterite on quartz, limonite matrix.

Mineral Data
What's on the rock

Copper

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

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0