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Chalcocite

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PCZ127232

Chalcocite

Description Tabs

Description
Locality: 
Flambeau Mine, Ladysmith, Rusk County, Wisconsin, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2.5 cm
Largest Crystal: 
2.50cm
Description

A great chalcocite crystal group including a hexagonal crystal measuring 2.5cm long and 1cm across. Like most of the specimens from this famous location the chalcosite is coated with a layer of iridescent bornite.

Mineral Data
What's on the rock

Chalcocite

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