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Topaz & Quartz

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SER752823

Topaz & Quartz

Description Tabs

Description
Locality: 
Skardu, Gilgit-Baltistan, Pakistan
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.4 × 5 × 5 cm
Largest Crystal: 
2.40cm
Description

a cluster of topaz and quartz crystals ; the largest one is a perfect crystal, well terminated and well displaying topaz of 2.4 cm

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