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Gerstmannite

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ESM616036

Gerstmannite

Rare Mineral

Description Tabs

Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.5 × 0.4 cm
Description

A milky cleavage gerstmannite specimen

Mineral Data
What's on the rock

Gerstmannite

Formula: 
MnMgZn(SiO4)(OH)2
Strunz: 
9.AE.25
Hardness: 
4.5
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
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