Milarite

  
  
Millarite and milky quartz on valencianite, a variety of adularia unique to the Valenciana Mine of Mexico.
Origin: Valenciana Mine, Guanajuato, Gto., Mexico
Ex. Gary Hansen collection
Sample size: 16.0 x 9.0 x 7.0 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Creamy colorless opaque lustrous crystals of orthoclase to 5 mm in size with interspersed sparse pale yellowish-green crystals of milarite to 2 mm in size. Origin: Guanajuato, Mexico
Sample size: 12 x 7.4 x 3.3 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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