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Reference Values of Gems
Database updated: 15 Jan 2017
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Taaffeite

  • Color: pink, light violet, light greyish blue, colorless
  • Hardness: 8 - 8.5
  • Refractive index: 1.70 - 1.73
  • Density: 3.61 - 3.70
  • Chemical composition: BeMgAl4O8
  • Crystal structure: Hexagonal
  • Origins: Tanzania, Sri Lanka, China.

Taaffeite is one of the rarest collector's minerals. It has physical properties close to a Spinel, however Taaffeites reveal a double refraction effect, and crystals over 5 ct. are extremely rare.

  

 


Market values of Taaffeite  

Occurrence of Taaffeite  

Historical values  


 
 
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