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Galena & Sphalerite

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CR669160

Galena & Sphalerite

Description Tabs

Description
Locality: 
Picher Field, Ottawa County, Oklahoma, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 6 × 4.5 cm
Description

A striking and rather dramatic specimen comprised of steel-grey cubic Galena crystals up to 2.4 cm across on matrix with deep redbrown sphalerite crystals.
The beautiful and large crystals are complete all the way around and virtually undamaged.

Ex. Armin Wendland collection

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