Turquoise

  
 
     
 
  
 
     
 
  
  
 
  
Turquoise pseudomorph after apatite
Origin: Mashaan, China (near Mongolia)
Sample size: 6.7 x 3.7 x 3.4 cm (top/2nd row), 9.6 x 5.3 x 3.8 cm (3rd row), 6.5 x 3.2 x 2.6 cm (4th/5th row), 8.5 x 4.7 x 4.4 cm (6th/7th row), 7.9 x 6.1 x 5.9 cm (8th/9th row), 8.1 x 5.1 x 4.4 cm (10th/bottom)
 
  
Origin: Lynch Station, Campbell Co., Virginia, U.S.A.
Ex. Ed Ruggiero collection
Sample size: 4.7 x 2.3 x 2.1 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

A crystalline turquoise sphere, a spray of transparent leucophosphite and a yellow quartz
Origin: Mount Oxide Copper mine, Mt Isa, Mt Isa - Cloncurry area, Queensland, Australia
Sample size: field of view 2 mm
Sample owner: Vic Cloete
 

Photo courtesy of: 

Vic Cloete 

 

  
Glassy blue micro crystals with associated wavellite.
Origin: Silver Coin mine, Humboldt Co., Nevada, United States
Ex. Kidwell collection
Sample size: 6.5 x 4.5 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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