Giniite

Origin: Sandamap pegmatite, Usakos, Karibib District, Namibia
Picture size: 1.3 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Black micro plates on phosphate rock
Origin: Bull Moose Mine, Custer Co., South Dakota, U.S.A.
Sample size: 2 x 3 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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