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Haynesite

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FNW40953

Haynesite

Type Locality

Description Tabs

Description
Locality: 
Repete Mine, Blanding, San Juan County, Utah, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.8 × 0.4 cm
Description

Very rare yellow microcrystals of this uranyl selenate. From the only known worldwide locality and collected by the discoverer, Pat Haynes.

Mildly radioactive.

Mineral Data
What's on the rock

Haynesite

Formula: 
(UO2)3(OH)2(SeO3)2·5H2O
Strunz: 
4.JJ.25
Hardness: 
1.5 - 2.0
Type Locality: 
Repete Mine, Blanding, San Juan Co., Utah, USA
Fine Minerals World