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Topaz & Cleavelandite

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ESM669551

Topaz & Cleavelandite

Description Tabs

Description
Locality: 
Nyet Bruk, Braldu Valley, Skardu, Gilgit-Baltistan, Pakistan
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 4.8 × 3.5 cm
Description

A sharp gemmy topaz crystal with clevelandite on quartz

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

Cleavelandite

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0
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