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Chalcophanite

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BCK666597

Chalcophanite

Ted C. Johnson collection
Type 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: 
5.6 × 3.9 × 4.1 cm
Description

You are bidding on a fantastic, old time sample of chalcopahnite with a rich cluster of botyoidal growth of the mineral making up the entireity of the sample. The outside of the stalactites are coated with thousands of tiny, tabular crystals. Very rich, classic type locality sample of the mineral from the Ted Johnson collection. 

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

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