Opal

  
  
Hyalite opal (fluorescent)
Origin: Mitchell County, North Carolina, U.S.A.
Sample size: 3.3 x 1.9 x 1.8 cm
 
  
Origin: Coober Pedy, South Australia, Australia
Sample size: 3.2 x 2.2 x 1.3 cm
 
  
  
Hyalite opal (fluorescent)
Origin: Valec, Bohemia, Czech Republic
Sample size: 4.9 x 4.9 x 3.0 cm
 
  
  
Hyalite opal (fluorescent)
Origin: Spruce Pine District, Avery Co., North Carolina, U.S.A.
Sample size: 6.6 x 5.2 x 2.8 cm
 
  
Opalized wood limb
Origin: Virgin Valley, Nevada, U.S.A.
Sample size: 2.4 x 2.3 x 1.3 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Virgin Valley, Humboldt Co., Nevada, U.S.A.
Ex. Don Belsher collection
Sample size: 4.7 x 3.7 x 1.7 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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