Diopside

  
Origin: Sludyanka town, Lake Baikal, Russia
Sample size: 7.5 x 3.75 x 1.75 cm
 
  

Origin: Zillertal, Tyrol Alps, Austria
Sample size: 6.8 x 0.8 x 0.5 cm
 
  
 
     
 
  
 
    
 
 
  
Origin: Xinjiang, Uygur Province (?), China (the Altay region, in Xinjiang Province. Uygur is not a province but the name given to the local minority people of Xinjiang province
Sample size: 7 x 2.2 x 1.5 cm (top), 3.8 x 1.7 x 1.1 cm (2nd row left), 3.5 x 1.7 x 1 cm (2nd row middle), 3.8 x 1.7 x 2 cm (2nd row right), 5 x 1.7 x 1.1 cm (3rd row), 3.3 x 1.3 x 0.8 cm (4th row), 6 x 2.5 x 2 cm (5th row), 5 x 3 x 1.5 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Small aggregates of pink crystals, variety violan, patchy in rock
Origin: Fort Point, San Francisco Co., California, U.S.A.
Sample size: 3.5 x 6 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Origin: Tsumeb, Namibia
Ex. Eaton collection
Sample size: 3 x 3 x 2 cm
 
  
Dioptase with malachite
Origin: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Sample size: 7 x 3.5 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
  
Origin: Fauske, Nordland, Norway
Ex. Giovanni Signorelli collection
Sample size: 6 x 4 x 3 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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