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Topaz

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MGR843499

Topaz

Classic Locality

Description Tabs

Description
Locality: 
Thomas Range, Juab County, Utah, United States of America
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 1.2 × 0.9 cm
Description

A sharp terminated, highly lustrous crystal with a gemmy upper quarter and inter-grown matrix in the lower area. A few smaller crystals are also attached.

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