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Copper Graphite & Cuprite

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PCZ831805

Copper Graphite & Cuprite

Classic Locality

Description Tabs

Description
Locality: 
Tigroney Mine, Avoca Valley, County Wicklow, Irish Republic (Eire)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.3 × 2.1 cm
Description

A pretty specimen of a highly unusual mineral association. Bright copper crystals nicely pearched on a contrasting dark graphitic shale matrix.

Collected from this classic Irish locality in 2004. 

Mineral Data
What's on the rock

Copper

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

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Crystal System: 
Hexagonal
Hardness: 
1.0 - 2.0

Cuprite

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