Gemsdat
 
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This site shows data with gemmological interest on gemstones. It is intended that this database continually grows as new data arrive. Only data with a reliable reference (scientific books, gemmological journals, scientific sites ...) are recorded. Suggestions, corrections or additions can be forwarded through the contact email.

 
 
What data ? 
  • Refraction indices, density , birefringence , UV responses, spectra,...
  • Mineral inclusions
  • Cause of colour
  • Localities
  • Chemical analysis



 

 
 
 Latest update : 23/02/2017