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Chalcotrichite

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CR664638

Chalcotrichite

with antique label
Classic Locality

Description Tabs

Description
Locality: 
Redruth, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 4 cm
Description

This is a very nice old time specimen with bloodred chalcotrichite crystals in several vugs of the matrix.

With old Dr. F. Krantz label
 

Mineral Data
What's on the rock

Chalcotrichite

Variety Of: 

Cuprite

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