Srebrodolskite

Black grains of srebrodolskite with white periclase
Origin: Ronneburg U deposit, Gera district, Thuringia, Germany
Picture size: 2 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

  
Very fine black grains embedded and covering matrix
Origin: Korkino, Chelyabinskiy Region, South Urals, Russia (type locality)
Sample size: 3 x 2 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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