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Wurtzite Galena & Sphalerite Var Schalenblende

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CLB167251

Wurtzite Galena & Sphalerite Var Schalenblende

Classic Locality

Description Tabs

Description
Locality: 
Altenberg Mine, Kelmis, Verviers, Liège Province, Belgium
Size Range: 
Cabinet (10-18 cm)
Size: 
12.3 × 6.6 × 3.5 cm
Description

Rare, classic cut and polished schalenblende specimen, consisting of wurtzite (pale brown), sphalerite (dark brown) and galena (metallic gray). You can clearly see the outlines of the galena crystals.

Mineral Data
What's on the rock

Wurtzite

Formula: 
(Zn,Fe)S
Strunz: 
2.CB.45
Hardness: 
3.5 - 4.0
Streak: 
Brown
Type Locality: 
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia

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

Schalenblende

Mixture Of: 

Sphalerite

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

Wurtzite

Formula: 
(Zn,Fe)S
Strunz: 
2.CB.45
Hardness: 
3.5 - 4.0

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Hardness: 
2.5

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