Pararealgar

 
Pararealgar on colemanite and ulexite
Origin: U.S. Borax Open Pit, Boron, Kern Co., California, U.S.A.
Owner: Milton Speckels
Sample size: about 3 cm (top), about 12 cm wide (bottom)
 

Photo courtesy of: 

Milton Speckels

Photo-Atlas of Minerals

 

Origin: Beckerschacht, Hänichen, Dresden, Saxony, Germany
Picture size: 5 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

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