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Topaz & Bixbyite

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CSW137554

Topaz & Bixbyite

Ex Roland Fogg Collection - collected in 1977

Description Tabs

Description
Locality: 
Topaz Mountain, Thomas Range, Juab County, Utah, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.2 × 1 cm
Largest Crystal: 
2.00cm
Description

A matrix free specimen showing a beautifully terminated transparent topaz crystal intergrown with other topaz crystals and a lustrous black bixbyite crystal. The topaz crystals also show inclusions.

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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Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.