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Brannerite

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SMM781251

Brannerite

Description Tabs

Description
Locality: 
Iragna, Lodrino, Riviera, Ticino, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.5 cm
Description

Two metallic crystals, tabular prismatic, not perfect but with good shape for this uranium mineral which is rarely found in perfect shape. From a classic Swiss location.

Boxed with Label
Mineral Data
What's on the rock

Brannerite

Formula: 
(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6
Strunz: 
4.DH.05
Crystal System: 
Monoclinic - Prismatic
Hardness: 
4.5 - 5.5
Type Locality: 
Kelley Gulch, Stanley, Stanley Basin District, Custer Co., Idaho, USA

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