Compreignacite

Origin: Ronneburg U deposit, Gera district, Thuringia, Germany
Picture size: 1.5 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Aggregates of small yellow crystals of compreignacite with gypsum
Origin: Giftkiesstollen, Jachymov, Czech Republic
Sample size: 1 x 2 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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