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Topaz

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RBR198635

Description Tabs

Description
Locality: 
Byansahpi, Braldu Valley, Skardu District, Gilgit-Baltistan, Pakistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 6 cm
Description

Cognac-coloured topaz belongs to the most wanted kind of. This item shows a water-clear topaz on matrix. The crystal is sharp terminated, shows high lustre and an intensive colour. The topaz is almost gemmy but not doubly terminated. It is situated at a light orange matrix and a real eye catcher.

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