What Will I Learn?

  How to identify synthetic and treated materials.
  The synthetic processes.
  The types of treatments.
  Stones by localities.

 

0 day     
  • Mon - Fri 09.00 - 16.00

0 day     
  • Mon - Fri 09.00 - 16.00

0 day     
  • Mon - Fri 09.00 - 16.00