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Chalcopyrite & Sphalerite

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CR699735

Chalcopyrite & Sphalerite

Description Tabs

Description
Locality: 
Mine #5, Baia Sprie, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.5 × 2.8 cm
Largest Crystal: 
3.50cm
Weight: 
175.00gr
Description

A truly aesthetic specimen with fine and large crystals of chalcopyrite and high lustrous black sphalerite crystals. With minor calcite.

 

Mineral Data
What's on the rock

Chalcopyrite

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0