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Gerhardtite

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SHS521914

Gerhardtite

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Description
Locality: 
Caledonia Mine, Ontonagon County, Michigan, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1 × 0.8 cm
Description

Nice gerhardite on matrix

Mineral Data
What's on the rock

Gerhardtite

Formula: 
Cu2(NO3)(OH)3
Strunz: 
5.NB.05
Crystal System: 
Orthorhombic
Hardness: 
2.0
Type Locality: 
United Verde Mine (The Big Hole; Big Hole property; Hull Mine; Hopewell tunnel; Patented claim 3480; Patented claim 2812; Patented claims 3348), Jerome, Verde District, Black Hills (Black Hill Range), Yavapai Co., Arizona, USA
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