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Quartz & Rutile

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MGR710398

Quartz & Rutile

Description Tabs

Description
Locality: 
Novo Horizonte, Bahia, Brazil
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2 × 1.9 cm
Description

A sharp terminated, lustrous quartz crystal with intense golden rutile inclusions. The specimen is really rich of rutile and as further addition for even more contrast you can see minor black hematite at the frontside.

Mineral Data
What's on the rock

Quartz

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

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