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Gerhardtite

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SHS199992

Gerhardtite

Description Tabs

Description
Locality: 
Caledonia Mine, Mass City, Ontonagon County, Michigan, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 1.2 cm
Description

 Nice blue 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