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Rutile Hematite & Quartz

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MGR124739

Rutile Hematite & Quartz

Description Tabs

Description
Locality: 
Ibitiara, Bahia, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 4.5 × 5 cm
Description

Colour and lustre at best quality - fine contrast with black hematite. One quartz crystal at the base also includes some rutile. In good condition overall.

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Quartz

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