Rankamaite

Origin: Mumba, Kivu, Congo (Zaïre)
Picture size: 2 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Creamy white fibrous rankamaite intergrown with brown simpsonite in pebble
Origin: Mumba, Kivu, Democratic Republic of Congo
Sample size: 1 x 1.6 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
White to cream, fine fibrous rankamaite. Associated with fine granular cassiterite(?).
Origin: Mumba, Kivu, Congo (type locality)
Sample size: 2 x 2 x 1.5 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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