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Guildite

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SKY636558

Guildite

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: 
0.2 × 0.2 × 0.2 cm
Description

Some grass green crystals and crystal aggregates of the extremely rare mineral guildite in a capsule from the type and only known locality worldwide. 

The biggest fragment has a sharp well formed crystal (see first photo).

Guildite is almost never seen on the mineral market.

 

Mineral Data
What's on the rock

Guildite

Formula: 
CuFe3+(SO4)2(OH)·4H2O
Strunz: 
7.DC.30
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

Seller Information

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