Uranpyrochlore

Variety ellsworthite, Massive brown to black with high glassy lustre
Origin: Bancroft, Ontario, Canada
Sample size: 2.5 x 4 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Origin: Berry Hill, Yinnithara, Western Australia, Australia
Sample size: unknown
Sample owner: Kennedy Mineral Collection, Carleton University
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

  
Variety ellsworthite with cyrtolite
Origin: McDonald Mine, Hybla, Ontario, Canada
Sample size: 6.8 x 4 x 2.7 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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