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Brookite

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CR176767

Brookite

Description Tabs

Description
Locality: 
Magnet Cove, Hot Spring County, Arkansas, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4 × 4.3 cm
Largest Crystal: 
0.80cm
Description

Dozends of black brookite crystals up to 8 mm sitting on crystallized quartz.

Beautiful specimen from Armin Wendland collection.

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