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Brookite With Anatase

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QRI1012386

Brookite With Anatase

Classic Locality

Description Tabs

Description
Locality: 
Monte Bianco, Courmayeur, Aosta Valley, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.3 × 2.1 cm
Largest Crystal: 
0.30cm
Weight: 
30.00gr
Description

Rare for the locality specimen featuring both a nice tabular brookite and a small group of dark blue bipyramidal anatase crystals.
Brookite is very lustrous and with a core zoning, associated to a minor one. Excellent lustre for the specie.

The combo brookite-anatase is quite rare to spot at Mont Blanc. This specimen was collected in 1993.

Connoisseur material, very sought-after.

Collected: 
1993
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

Anatase

Formula: 
TiO2
Strunz: 
4.DD.05
Hardness: 
5.5 - 6.0
Type Locality: 
St Christophe-en-Oisans, Bourg d'Oisans, Isère, Rhône-Alpes, France...

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