Berborite

  
Colourless prismatic berborite crystals less than 1 mm in size associated with thomsonite
Origin: Saga quarry, Tvedalen, Langensfjord area, Norway
Sample size: 3.5 x 3 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Origin: Lupikko Deposit, Pitkyaranta, SW Karelia, Russia
Sample size: micro crystal in 2 x 2.5 cm matrix
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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