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Chalcocite

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MCH577938

Chalcocite

ex Dr. Harry von Eckermann Collection

Description Tabs

Description
Locality: 
Norway
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.8 × 3.9 cm
Description

A rich copper ore sample from an undisclosed ore occurence in Southern Norway. Masses of grey chalcosite fill fissures and surround coarse, grey to somewhat rose coloured feldspar crystals.

The specimen is from the collection of the famous Swedish mineralogist Harry von Eckermann († 1969, the mineral Eckermannite is named after him) and is followed by an original label bonded in a cardboard box.

Mineral Data
What's on the rock

Chalcocite

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

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