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Butlerite

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GFM730069

Butlerite

Description Tabs

Description
Locality: 
Alcaparrosa Mine, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.6 × 3 × 1.9 cm
Description

“Pseudomorph from Butlerite after Fibroferrite”. Very nice orange clusters of intergrown radial-acicular crystal aggregates of 2 cm. Very pretty specimens

Mineral Data
What's on the rock

Butlerite

Formula: 
Fe3+(SO4)(OH)·2H2O
Strunz: 
7.DC.10
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