Čechite

Black tabular crystal of čechite
Origin: Alexander Gallery, Vrančice, Příbram, Středočeský Kraj, Bohemia, Czech Republic
Picture size: 1.3 mm
Owner: Thomas Witzke

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Black submetallic masses ± volborthite, pseudomalachite and vesignieite
Origin: Vrancice, Czech Republic
Sample size: 5 x 6 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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