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Petalite

  • Color: colorless
  • Hardness: 6 - 6.5
  • Refractive index: 1.50 - 1.52
  • Density: 2.40 - 2.46
  • Chemical composition: LiAlSi4O10
  • Crystal structure: monoclinic
  • Origins: Canada, USA, Brazil, Italy, Namibia, Mozambique, Zimbabwe, Russia, Burma, Australia.

Petalite is considered to be a collector's stone, with only eye-clean crystals being valuable. Due to their insufficient hardness and low refractive index, the stone is not used in jewelry.

 

 


Market values of Petalite  

Occurrence of Petalite  

Historical values  


 
 
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