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Chalcophanite

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WND544233

Chalcophanite

Classic Locality

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.3 × 6 × 2.5 cm
Largest Crystal: 
0.10cm
Description

Very rich, black lustrous chalcophanite crystals up to 0.1 cm across on matrix from the classic locality Sterling Hill, New Jersey. The crystals show no visible damage and the piece is a really nice piece. The piece is accompanied by an old, hand-written German label.

Mineral Data
What's on the rock

Chalcophanite

Formula: 
(Zn,Fe,Mn)Mn3O7·3H2O
Strunz: 
4.FL.20
Crystal System: 
Trigonal
Hardness: 
2.5
Type Locality: 
Passaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
Wendel Minerals

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