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Sphalerite On Dolomite & Quartz

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PDM666648

Sphalerite On Dolomite & Quartz

Description Tabs

Description
Locality: 
Gordonsville Mine, Carthage, Smith County, Tennessee, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 3 cm
Largest Crystal: 
2.00cm
Description

Aggregate of gemmy red to brown sphalerite crystals with intense vitreous lustre on a matrix of white dolomite and quartz. From the Gordonsville Mine, far less common locality in collections than other mines of Tennessee. The main crystalline group is completely free of damages. 

Acquired in 1977. Ex. Gerard Vogel specimen.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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