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Topaz

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NST661040

Topaz

Description Tabs

Description
Locality: 
Betafo, Vakinankaratra Region, Antananarivo Province, Madagascar
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.8 × 1.8 cm
Description

A single, transparent, colorless crystal of Topaz from Betafo.

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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