Microcline

  
Manebach twin with minor smoky quartz
  
Variety amazonite with albite
Origin: Lake George, Park Co., Colorado, U.S.A.
Ex. Scott Williams collection
Sample size: 4.7 x 3.9 x 2.9 cm (top), 5.4 x 4.3 x 1.5 cm (bottom)
 
  
 
  
Variety amazonite
Origin: Crystal Peak area, Park Co., Colorado, U.S.A.
Sample size: 27 x 33 x 32 mm (top/2nd row), 22 x 29 x 33 mm (3rd/bottom row)
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Variety amazonite with smoky quartz on albite
Origin: nr. Florissant, Teller Co., Colorado, U.S.A.
Ex. Jack Halpern collection
Sample size: 5.7 x 5.6 x 3.3 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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