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Mikehowardite & Bokite

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BCK1061751

Mikehowardite & Bokite

Type Locality

Description Tabs

Description
Locality: 
North Wilson Pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.9 × 0.9 cm
Description

You are bidding on a thumbnail sample covered in hundreds of black crystals of very rare mikehowardite on brown, radiating needles of bokite from the type and only locality for the species. Collected by Don Owens. 

Mineral Data
What's on the rock

Mikehowardite

Formula: 
Fe3+4(V5+O4)4(H2O)2 · H2O
Crystal System: 
Triclinic
Type Locality: 
North Wilson Pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, United States of America

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...

Seller Information

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