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Galena & Sphalerite

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RBR573862

Galena & Sphalerite

Description Tabs

Description
Locality: 
Joplin Field, Jasper County, Missouri, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 7 × 3.5 cm
Description

This specimen is a very fine sample for the famous Tri-state-district. In the center you can find a large, 22 mm long sphalerite in perfect condition. It shows a good luster and beautiful reddish color. It is surrounded by several hghly lustrous crystals of galena up to 14 mm from edge to edge. The galena it attractivly set on a microcrystallized matrix and associated with some smaller reddish sphalerite. The specimen is in very good condition, no significant damages to report. You'll like it!

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

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