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Brookite

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CR188024

Brookite

Description Tabs

Description
Locality: 
Le Trient Valley, Valais, Switzerland
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.5 × 4 cm
Description

Beautiful brown and lustrous brookite crystals with gemmy quartz crystals on matrix.

Very good old specimen from Günther Schnorrer-Köhler 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