Actinolite

  
  
Variety byssolite on albite
Origin: Champorcher, Val d"Aosta, Italy
Ex. Martin Zinn collection
Sample size: 6.2 x 4.2 x 2.7 cm
 
           
Origin: Mogok, Mandalay, Burma
Sample size: 4.9 x 1.3 x 0.4 cm
 
  
  
Origin: Uber die Goldescksharte, Hinterbichl, Austria
Ex. Wein collection
Sample size: 12.6 x 7.0 x 3.4 cm
 
  
Origin: near Otjiwarongo, Namibia
Ex. Charlie Key collection
Sample size: 5.2 x 2.5 x 2.3 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Needle-like crystals of actinolite pseudomorph after diopside to 3 mm in length in several open veins with magnetite
Origin: Calumet Mine, Chaffee Co., Colorado, U.S.A.
Sample size: 7.7 x 5.6 x 4.2 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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