Allophane

Blue cuprian allophane
Origin: Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany
Picture size: 5 mm
Owner: Thomas Witzke

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

White massive allophane in a brecciated beige-ocre argillic matrix, collected in 1938
Origin: Chessy, Rhône, France
Sample size: 3 x 3.5 x 5 cm
 
Origin: Schöller mine, Libusin, Kladno, Czech Republic
Sample size: 3 x 5 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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