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Holfertite

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UVM662080

Holfertite

Radioactive

Description Tabs

Description
Locality: 
Starvation Canyon, Thomas Range, Juab County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3 cm
Description

A few sharp orange needles of holfertite associated with hematite and pseudobrookite.   Holfertite is a rare oxide of calcium, uranium, and titanium which is only known from the Thomas Range.

Mineral Data
What's on the rock

Holfertite

Formula: 
CaxU6+2-xTi(O8-xOH4x)·3H2O
Strunz: 
4.GB.70
Hardness: 
4.0 - 0.0
Type Locality: 
Holfertite pit, Starvation Canyon (Searles Canyon), Thomas Range, Juab Co., Utah, USA

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