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Rutile Var Niobian Rutile

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MNR628093

Rutile Var Niobian Rutile

Description Tabs

Description
Locality: 
Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.2 × 3.5 cm
Largest Crystal: 
0.60cm
Description

Black niobian rich rutile crystals up to 6 mm in matrix.

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

Niobian Rutile

Variety Of: 

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Hardness: 
6.0 - 6.5
Formula: 
(Ti,Nb)O2
Hardness: 
0.0