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Quartz With Brookite Anatase & Rutile

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RBR80596

Quartz With Brookite Anatase & Rutile

Description Tabs

Description
Locality: 
Dodo Mine, Saranpaul, Khanty-Mansi, Tyumen Oblast, Russian Federation
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 3.5 × 2.5 cm
Description

The quartz-crystal shows very glossy faces and a light smoky color. Small matrix intergrown at the lower section, the crystal is developed as floater and fully recrystallized at the base.

Brookite up to 12 mm intergrown to the faces. Anatase up to ~ 2 mm. Rutile developed as needles inside the quartz.

Amazing combination of a rare locality in a very fine condition.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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

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