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Mikehowardite & Bokite

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BCK841996

Mikehowardite & Bokite

New Mineral type

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: 
2.3 × 2 × 1.2 cm
Description

You are bidding on a small sample with rich black crystals of the new species mikehowardite on red needles of bokite. Author's material and extremely rare! 

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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