Inyoite

  
Aggregate of white to colourless 5-10 mm large inyoite crystals, no matrix; Ex. Fersman Mineralogical Museum
Origin: Inder Lake, Kazakhstan
Sample size: 3.5 x 6 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Origin: Inder, Kazakhstan
Ex. Polak collection
Sample size: 8 x 7 x 6 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Origin: Boron, Kern Co., California, U.S.A.
Ex Carl Davis Collection
Sample size: 3.4 x 3.0 x 2.2 cm
 
Inyoite with meyerhofferite. The meyerhofferite exists as a network of discrete crystals penetrating the interior, and you can see them clearly through the inyoite. At the edges, on 4 of 6 rhomb faces, the meyerhofferite forms a more complete alteration and thus a white "rind" around the gemmy core.
  
 
  
 
  
 
  
Inyoite with minor meyerhofferite
  
 
  
Origin: Monte Azul, Plano, Argentina
Sample size: 4.7 x 4.7 x 2.7 cm (top), 7.0 x 4.9 x 4.6 cm (2nd row), 6.3 x 6.0 x 5.5 cm (3rd/4th row), 6.6 x 4.4 x 4.1 cm (5th row), 8.2 x 5.3 x 4.8 cm (6th row), 9.8 x 6.0 x 3.7 cm (7th row), 6.4 x 4.5 x 3.8 cm (8th/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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