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Sphalerite & Calcite

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MGR763931

Sphalerite & Calcite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4.8 × 4 cm
Description

A group of highly lustrous jet-black sphalerite crystals attached to a bowl-formed matrix, which is covered with tiny snowy white calcite crystals. A very aesthetic sample from this well-knwon locality, backside was on the rock.

Mineral Data
What's on the rock

Sphalerite

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

Calcite

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