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Topaz Tourmaline & Quartz

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MGR664240

Topaz Tourmaline & Quartz

Description Tabs

Description
Locality: 
Diamar District, Gilgit-Baltistan, Pakistan
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.6 × 2.4 cm
Description

A sharp terminated, glossy topas crystal in combination with tourmaline and quartz. The dark tourmaline crystal shows a really fine cat-eye effect and appears in green-yellow color with black zoning along the endpoint. The quarz crystal underneath is also sharp terminated and very glossy.

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

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Quartz

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