Volkonskoite

Origin: Samosadki, Ural, Russia
Sample size: 1.5 x 4 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Origin: Efimyatskaja, Perm, Ural Mts, Russia
Sample size: 1.3 x 1 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
Origin: Kurn, near Ratisbona, Bavaria, Germany
Sample size: 5.6 x 6.3 x 3.1 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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