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Topaz & Bixbyite

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MGR679197

Topaz & Bixbyite

Description Tabs

Description
Locality: 
Thomas Range, Juab County, Utah, United States of America
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 1.1 × 0.8 cm
Description

A sharp terminated, gemmy and highly lustrous crystal with inclusions of matrix. On the upper side of this double terminated floater you can find a few tiny (around 1mm) lustrous cubes of bixbyite - the combination of these two minerals (although they are from the same area) is very rare and uncommon. 

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

Bixbyite

Formula: 
Mn3+2O3
Strunz: 
4.CB.10
Hardness: 
6.0 - 6.5
Colour: 
Black
Streak: 
Black
Type Locality: 
Maynard's claim (Pismire Knolls), Thomas Range, Juab Co., Utah, USA...

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Start 20 Oct 18:00
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Shipping Information

Postage Area Price
Austria 5
5
Europe 14
14
North America 16
16
Rest of World 19
19