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Topaz

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ESM959575

Topaz

Description Tabs

Description
Locality: 
Dassu, Braldu Valley, Skardu District, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4 × 4 cm
Description

A gemmy topaz crystal with muscovite blades and white cleavelandite

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