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Ilmenorutile

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CAM175634

Ilmenorutile

Description Tabs

Description
Locality: 
Kaskasnyunchorr Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.9 × 2.6 cm
Description

A good example of ilmenorutile, the niobium-bearing variety of rutile, with a rosette-like cluster of tabular crystals on matrix.
Nice piece.

Mineral Data
What's on the rock

Ilmenorutile

Variety Of: 

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Hardness: 
6.0 - 6.5
Formula: 
Fex(Nb,Ta)2x·4Ti1-xO2
Crystal System: 
Tetragonal
Hardness: 
6.0 - 6.5
Colour: 
Black
Type Locality: 
Vein No. 140 (Selyankino village), Buldym Lake, Vishnevye Mts (Vishnyovye; Cherry), Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...
Cartils Minerals

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