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Sphalerite & Dolomite

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BMM665490

Sphalerite & Dolomite

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Description Tabs

Description
Locality: 
Krushev Dol Mine, Smolyan Oblast, Bulgaria
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.1 × 5.2 × 3.3 cm
Description

Black shiny sphalerite crystals with intense texture on the faces. The cluster is partially covered with small white dolomite crystals. Well crystallized all around – just a small part from the rock.

Mineral Data
What's on the rock

Sphalerite

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White
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