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Galena On Sphalerite

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CR717327

Galena On Sphalerite

Description Tabs

Description
Locality: 
Mid Continent Mine, Treece, Picher, Cherokee County, Kansas, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
15.5 × 15 × 10 cm
Weight: 
1 615.00gr
Description

A very superb old time galena specimen from Treece with lustous large galena crystals on a bed of sharp sphalerite crystals.

Very good display specimen from Armin Wendland collection - acquired 1991.

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