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Quartz & Chalcopyrite

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MGR690473

Quartz & Chalcopyrite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 6.1 × 4.8 cm
Description

The zepter-quartz crystal is raising up vertically, the faces are very glossy and show beautiful texture. A second regular crystal grew rectangular to the vertical main crystal. The matrix is covered with tiny quartz crystals, the contrast with golden chalkopyrite is very eye-catching! No significant damages to report.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Chalcopyrite

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