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Topaz

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MCP746335

Topaz

Description Tabs

Description
Locality: 
Thomas Range, Juab County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3.7 × 2.8 cm
Largest Crystal: 
2.60cm
Description

A pale brown, lustrous, prismatic, gemmy topaz crystal 26 mm tall on rhyolite matrix from the famous locality Thomas Range, Utah, USA. The crystal show no visible damage.

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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