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Topaz

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MGR871663

Topaz

Classic Locality

Description Tabs

Description
Locality: 
Ouro Preto, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 1.8 × 1.3 cm
Description

Perfect single crystal of intense colored topaz from this well known area in Brazil. The crystal is in fine condition and the luster is really fine.

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