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Reference Values of Gems
Database updated: 15 Jan 2017
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Hessonite Garnet

  • Color: yellow, orange, red, brown
  • Hardness: 7
  • Refractive index: 1.72 - 1.75
  • Density: 3.60 - 3.68
  • Chemical composition: Ca3Al2(SIO4)3
  • Crystal structure: isometric
  • Origins: Canada, Mexico, Brazil, Tanzania, Madagascar, Sri Lanka

Hessonite is a variety of grossular garnet. Big clean specimens are rare, with the best stones being orangey red.

 

 


Market values of Hessonite Garnet  

Occurrence of Hessonite Garnet  

Historical values  


 
 
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