GEMOLOGICAL TEST CERTIFICATE
  REPORT NO : JBNGTL/49086/18  
  Colour:     Black (Bi-Color) 
  Weight:     11.82 cts 
  Shape Cut:     Oval Cabochon 
  Transparency:     Opaque 
  Optic Character:     DR 
  RI:     1.535-1.539 
  Hardness:     7 
  Characteristics:      
  Observation:     Natural Chalcedony (Sulemani Hakik) 
  Remarks:     Size:- 19.10x14.80x5.30mm