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Kolbeckite & Brookite

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BCK737291

Kolbeckite & Brookite

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: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 2.9 × 2.3 cm
Description

You are bidding on a small miniature sample with some nice kolbeckite crystals in a vug on one end of the sample with the other vugs hosting hundreds of sharp brookite crystals. Collected by Don Owens in 1983. 

Mineral Data
What's on the rock

Kolbeckite

Formula: 
ScPO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.0 - 5.0
Type Locality: 
Sadisdorf, Schmiedeberg, Erzgebirge, Saxony, Germany

Brookite

Formula: 
TiO2
Strunz: 
4.DD.10
Crystal System: 
Orthorhombic
Hardness: 
5.5 - 6.0
Type Locality: 
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd (Caernarvonshire), Wales, UK

Seller Information

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