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Galena Sphalerite & Dolomite

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ESM770981

Galena Sphalerite & Dolomite

Description Tabs

Description
Locality: 
Turt Mine, Negrești-Oas, Satu Mare County, Romania
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 4 × 4.5 cm
Description

Lustrous grey metallic galena crystals with black sphalerite and minor brown dolomite crystals

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

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