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Galena & Marcasite

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Galena & Marcasite

Classic Locality

Description Tabs

Description
Locality: 
Olkusz Mine, Malopolskie, Poland
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 5.2 × 2 cm
Largest Crystal: 
1.50cm
Description

Nice galena crystals on schalenblende with marcasite crust, here very small 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

Marcasite

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