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Bixbyite & Pseudobrookite

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SMM881239

Bixbyite & Pseudobrookite

Classic Locality
Type Locality

Description Tabs

Description
Locality: 
Maynard's Mine, Thomas Range, Juab County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 1.5 cm
Description

A nice single sharp black crystal of bixbyite on its white rhyolite matrix together with some groups of pseudobrookite crystals. A good classic sample.

Boxed with Label
Mineral Data
What's on the rock

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...

Pseudobrookite

Formula: 
Fe2TiO5
Strunz: 
4.CB.15
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
6.0
Streak: 
Brown
Type Locality: 
Uroi Hill (Arany Hill), Simeria, Hunedoara Co., Romania

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