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Rutile Var Sagenite With Anatase & Brookite

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CSL516022

Rutile Var Sagenite With Anatase & Brookite

Classic Locality

Description Tabs

Description
Locality: 
Ankogel Group, Hohe Tauern, Carinthia, Austria
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.2 × 2.1 cm
Description

This is a very nice combination of rutile, brookite and anatase, three titanium-dioxide polymorphs. Rutile forms golden yellow sagenite like aggregates and needles on chlorite-feldspar matrix, brookite forms yellow tabular crystals and anatase forms brownish bipyramidal crystals. 

Very nice specimen.

Mineral Data
What's on the rock

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

Sagenite

Variety Of: 

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Hardness: 
6.0 - 6.5
Synonym Of: 

Sagenite (of Kunz)

Hardness: 
0.0

Sagenite (of Saussure)

Hardness: 
0.0

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...

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

Seller Information

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