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Brannerite With Pitchblende

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SHS99154

Brannerite With Pitchblende

ex. Dr. Krantz (Bonn/Germany)

Description Tabs

Description
Locality: 
Regional Mine, Blind River, Algoma District, Ontario, Canada
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 4.4 × 4.5 cm
Description

Brannerite with pitchblende with pyrite and gold in matrix

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

Pitchblende

Variety Of: 

Uraninite

Formula: 
UO2
Strunz: 
4.DL.05
Hardness: 
5.0 - 6.0
Formula: 
UO2
Hardness: 
0.0