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Brannerite

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UVM623860

Brannerite

Radioactive

Description Tabs

Description
Locality: 
Kelly Gulch, Custer County, Idaho, United States of America
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.3 × 0.2 × 0.2 cm
Description

A single crystal of brannerite from the type locality.   Rare material.

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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