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Topaz

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Topaz

Description Tabs

Description
Locality: 
Medina, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.2 × 5 × 4.5 cm
Weight: 
294.00gr
Description

fabulous, well displaying, blue topaz from Medina, perfect in all sides and very heavy; is a top end specimen

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