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Brookite Anatase & Rutile

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SLG139851

Brookite Anatase & Rutile

Description Tabs

Description
Locality: 
Grauleiten Peak, Ankogel, Hohe Tauern, Carinthia, Austria
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 1.8 cm
Largest Crystal: 
0.50cm
Description

Three polymorphs on one specimen! Lathlike beige brookite up to 0.5 cm, yellow to brown rutile needles and red dipyramidal and distorted anatase crystals up to 0.1 cm with blazing white albite and some olive-green chlorite.

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...

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal - Ditetragonal Dipyramidal
Hardness: 
6.0 - 6.5
Type Locality: 
Rutile locality, Horcajuelo de la Sierra, Madrid, Spain

Seller Information

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-all items shown on displayed photos are for auction or fixed price. Some photos are close-ups, multiple photos show one and the same item -all items are described and offered in all conscience but without guarantee for correctness -all items can be viewed locally after consultation with the seller -all items are shipped with insurance (shipment without is possible but at own risk and without seller's responsibility and only after consultation with the seller) -all items are shipped after full payment incl. shipping costs -shipping is done once or twice a week

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