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Galena Var Strickblende Wurtzite Sphalerite

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CLB593115

Galena Var Strickblende Wurtzite Sphalerite

ex collection Prof. H. Wotruba
Classic Locality

Description Tabs

Description
Locality: 
Schmalgraf Mine, Kelmis, Liège Province, Belgium
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
14.4 × 13 × 1 cm
Weight: 
439.00gr
Description

The very best historical piece of skeletal galena in a sphalerite-wurtzite schalenblende from Kelmis. It comes out of the university of Aachen (Aaken) stock from before the first world war - before 1914!

In this time Kelmis was still German territory.

Perfect polish and shine. The best specimen of this kind I've seen so far.

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

Strickblende

Variety Of: 

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Hardness: 
2.5
Hardness: 
0.0

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

Sphalerite

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

Seller Information

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