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Topaz

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SLN216172

Topaz

Classic Locality

Description Tabs

Description
Locality: 
Thomas Range, Juab County, Utah, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
6.9 × 7.8 × 5.3 cm
Largest Crystal: 
1.60cm
Description

Nice specimen from the famous locality of Thomas Range with a single gemmy and perfect bi-terminated topaz crystal on riolite matrix. The crystal is 1.6 X 0.7 Cm big

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

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