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Topaz

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CR664700

Topaz

Gem Crystal

Description Tabs

Description
Locality: 
Ouro Preto, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 1.8 × 1.3 cm
Description

Imperial topaz has been said to have been first discovered at Ouro Preto in 1760. No where else in the world can one find topaz with such color. The crystal shown here is of the very best color. Measuring 4.0 x 1.8 x 1.3 cm in size.

Beautiful single crystal from Armin Wendland collection

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