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Tetrahedrite Quartz Chalcopyrite & Rhodochrosite

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MGR810943

Tetrahedrite Quartz Chalcopyrite & Rhodochrosite

Description Tabs

Description
Locality: 
Casapalca Mine, Huarochiri Province, Lima Department, Peru
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
10.2 × 9.3 × 5.7 cm
Description

First of all I have to note that this piece is much better in person. Sharp, eztched but glossy tetrahedrite crystals formed a very tri-dimensional cluster. Milky quartz crystals and intense golden chalkopyrite help to give great contrast to this more uncommon piece.

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

Chalcopyrite

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

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania