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Gahnite & Calcite & Sphalerite

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SHS183941

Gahnite & Calcite & Sphalerite

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Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.6 × 1.7 cm
Description

Green gahnite with calcite and sphalerite in matrix

Mineral Data
What's on the rock

Gahnite

Formula: 
ZnAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0
Streak: 
Grey
Type Locality: 
Falun mine, Falun, Dalarna, Sweden

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Sphalerite

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

Current price

$

Starting price

$4
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Start 05 Oct 18:00
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