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Pyrite Chalcopyrite & Malachite

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MEX197461

Pyrite Chalcopyrite & Malachite

ex private collection

Description Tabs

Description
Locality: 
Silbermarie Mine, Trautenstein, Harz, Saxony - Anhalt, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.6 × 1.3 cm
Description

A small specimen with pyrite pentagondodecahedrons, fresh chalcopyrite with malachite balls and psm cuprite, here ziegelerz, after chalcopyrite crystals. The gangue is calcite and quartz.

Mineral Data
What's on the rock

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Chalcopyrite

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

Malachite

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