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Topaz & Quartz

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SCH37260

Topaz & Quartz

Ex Herb Obodda

Description Tabs

Description
Locality: 
Dassu, Braldu Valley, Skardu District, Gilgit-Baltistan, Pakistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.6 × 2.6 cm
Largest Crystal: 
2.50cm
Description

A water-clear light sherry topaz with textbook crystal form is perched on quartz crystals. 

Ex Herb Obodda and Steven Phillips specimen with labels.

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
schani

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