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Brookite Var Arkansite

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SHS24067

Brookite Var Arkansite

Ex Dr Krantz (Bonn/Germany)

Description Tabs

Description
Locality: 
Magnet Cove, Hot Spring County, Arkansas, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.6 × 2.3 cm
Largest Crystal: 
2.70cm
Description

Dark gray brookite crystal

Mineral Data
What's on the rock

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

Arkansite

Variety Of: 

Brookite

Formula: 
TiO2
Strunz: 
4.DD.10
Hardness: 
5.5 - 6.0
Hardness: 
0.0