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Topaz

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SER703226

Topaz

Description Tabs

Description
Locality: 
Padre Paraíso, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 4 cm
Weight: 
408.00gr
Description

a large, perfect topaz crystal from this famous brasilian locality; I purchased it in Teofilo Otoni, 10 years ago; nowadays you don't find a topaz of this quality less then 5 USD/gram.

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
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