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Manganoan Calcite Quartz & Tetrahedrite

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ESM909104

Manganoan Calcite Quartz & Tetrahedrite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 4 cm
Description

Lustrous white manganoan calcite with clear quartz crystals and a few tetrahedrite crystals on matrix

Mineral Data
What's on the rock

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

Quartz

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

Tetrahedrite

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