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Reference Values of Gems
Database updated: 15 Jan 2017
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Diopside

  • Color: green, yellow-green, brown, blue, colorless
  • Hardness: 5.5 - 6
  • Refractive index: 1.66 - 1.71
  • Density: 3.25 - 3.55
  • Chemical composition: CaMg(Si2O6)
  • Crystal structure: monoclinic
  • Origins: USA, Brazyl, Austria, Italy, Tanzania, Pakistan, Russia, Sri Lanka, Burma.

Collector's gemstone. The best stones come from Russia and have a rich green color (chrome diopside). Clean pieces over 5 ct. are rare. Stones are generally not treated.

 

Diopside 4.78 cts.
Diopside 4.78 cts.
Published under permission: Miguel Angel Lopez

 


Market values of Diopside  

Occurrence of Diopside  

Historical values  


 
 
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