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Calcite Quartz & Sphalerite

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ESM715314

Calcite Quartz & Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
3 × 10 × 5 cm
Description

Clusters of stacked colorless to grey colored calcite blades with quartz crystals on sphalerite matrix

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Quartz

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

Sphalerite

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