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Malachite Psm Chalcopyrite

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MEX171693

Malachite Psm Chalcopyrite

ex Freiberg mineral show 2014

Description Tabs

Description
Locality: 
Caaschwitz, Gera, Thuringia, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 2.5 × 2.3 cm
Description

Nice specimen with few pseudomorphism of malachite after chalcopyrite crystals on dolomite crystals. On one psm you can see azurite, too.

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0