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Galena & Sphalerite

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MEX95245

Galena & Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Olkusz Mine, Malopolskie, Poland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.9 × 5.2 × 2.8 cm
Weight: 
220.00gr
Description

Unique specimen of a lot with cubooctahedrons of galena. The crystal have an edge of 2.2 cm. The galena set on small sphalerite crystals with a little bit marcasite 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