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Galena With Marcasite & Sphalerite

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CLB113463

Galena With Marcasite & Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Trzebionka Mine, Gmina Trzebinia, Chrzanów County, Lesser Poland Voivodeship, Poland
Size Range: 
Museum (18cm plus)
Size: 
19.5 × 8 × 7.7 cm
Largest Crystal: 
2.10cm
Description

Fantastic galena specimen. Excellent three-sided specimen of very fine rare cuboctahedral twinned galena crystals up to 2.1 cm with brownish micro sphalerite crystals, powdered with marcasite, on ferroan dolomite. The galena crystals show dull luster and very fine multiple twinning. Really an exceptional specimen.

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

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Sphalerite

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

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