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Tetrahedrite On Quartz

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RBR65615

Tetrahedrite On Quartz

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 9 × 8 cm
Largest Crystal: 
2.20cm
Description

The specimen has crystals up to 22mm across. The termination is razor sharp.

 

Mineral Data
What's on the rock

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

Quartz

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

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