List of gemstoneslinkscontact

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 : 05/08/2023