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Mikehowardite & Bokite

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BCK830459

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: 
2.8 × 1.9 × 2.2 cm
Description

You are bidding on a thumbnail sample with very rich, sharp black crystals of the new species mikehowardite accompanied with beautiful radial sprays of bokite. Very limited find of this new iron vanadate and author's material! I only have a few samples available. 

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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