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Topaz

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Topaz

Description Tabs

Description
Locality: 
Nova Era, Minas Gerais, Brazil
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 5.1 × 3 cm
Description

A large citrine, perfectly trasparent topaz crystal from Cantagalo mine, Nova Era
Its weight is 200 grams

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