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Ransomite & Magnesiocopiapite

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SKY763762

Ransomite & Magnesiocopiapite

Type Locality

Description Tabs

Description
Locality: 
United Verde Copper Mine, Jerome, Yavapai County, Arizona, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.2 × 0.2 cm
Description

FOUR small specimens of blue crystals of the very rare mineral ransomite associated to yellow magnesiocopiapite crystals from the type locality for ransomite and only one of three known localities worldwide.

 

 

Mineral Data
What's on the rock

Ransomite

Formula: 
CuFe2(SO4)4·6H2O
Strunz: 
7.CB.80
Crystal System: 
Monoclinic
Hardness: 
2.5
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

Magnesiocopiapite

Formula: 
MgFe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Hardness: 
2.5 - 3.0
Type Locality: 
Blythe, Riverside Co., California, USA

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