Tamarugite

 
Origin: Carola Mine, Freital, Dresden, Saxony, Germany
Picture size: specimen 7.5 cm (top), 5 mm (bottom)
Owner: Thomas Witzke
 
White tamarugite on yellow sideronatrite
Origin: Willi Agatz Mine, Dresden, Saxony, Germany
Picture size: 5 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Origin: Le Cetine Mine, Siena, Toscany, Italy
Sample size: 2.5 x 3.5 cm matrix
 
White hexagonal crystals with pickeringite and minor sulfur  rich on matrix
Origin: Zeche Julia, Herne, Ruhr Coal Mine area, Germany
Sample size: 2.5 x 3 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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