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Topaz

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JYJ724907

Topaz

Description Tabs

Description
Locality: 
Ouro Preto, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.7 × 1.2 cm
Description

A colour intens, strited topaz crystal from Ouro Preto, Brazil. The crystal is terminated.  

 

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White