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Brookite

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JYJ500143

Brookite

Description Tabs

Description
Locality: 
Magnet Cove, Hot Spring County, Arkansas, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.9 × 0.7 cm
Description

Loose, black lustrous brookite from the United States.

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