Pseudoboléite

Origin: Curuglu Mine, Santa Rosalía (El Boleó), Boleó District, Mun. de Mulegé, Baja California Sur, Mexico
Picture size: crystal 4.5 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

  
A large, pristine and lustrous 7 mm dark blue cube of pseudoboleite coating boleite. The 1 mm thick pseudoboleite epitaxially overgrew the 6 mm boleite cube. The crystal edges have the typical reverse step found in this rare mineral combination.
Origin: Santa Rosalia, Boleo, Baja California Sur, Mexico
Sample size: 0.7 x 0.7 x 0.7 cm
 
  
Origin: Santa Catalina Mine, Sierra Gorda, Chile
Sample size: 5.7 x 3.5 x 2.2 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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