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Bokite

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BCK750318

Bokite

Don Owens collection
Rare Mineral

Description Tabs

Description
Locality: 
Union Carbide Mine, Wilson Springs, Garland County, Arkansas, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.1 × 2.4 cm
Description

You are bidding on a small miniature sample with a fracture surface lined with beautiful radial brown blades of bokite on matrix. This material was recently analyzed and represents the finest known crystals of the species! Collected by Don Owens in 1979 while the mine geologist at the deposit. 

Mineral Data
What's on the rock

Bokite

Formula: 
(Al,Fe3+)1.3(V5+,V4+,Fe3+)8O20·7.4H2O
Strunz: 
4.HE.20
Hardness: 
3.0
Colour: 
Black
Type Locality: 
Balasauskandyk V Deposit, Karatau Range, Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast'), Kazakhstan...

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