GII Sem­i­nar Highlights Colour Stone De­vel­op­ments, Fu­ture Direc­tions

Solitaire - - SPECTRUM -

G em­mo­log­i­cal In­sti­tute of In­dia (GII), a pi­o­neer­ing in­sti­tute for gem­stone cer­ti­fi­ca­tion and ed­u­ca­tion, or­gan­ised a half-day in­ter­ac­tive sem­i­nar on the “Present sta­tus of de­vel­op­ments in the area of colour stones and fu­ture direc­tions”, on Fe­bru­ary 23rd in Mum­bai. About 30 ma­jor gem­stone traders and 15 GII sci­en­tific col­leagues par­tic­i­pated in this by­in­vi­ta­tion event.

In his in­au­gu­ral ad­dress, GII chair­man Bakul Mehta spoke about the need for us­ing sci­en­tific meth­ods for iden­ti­fi­ca­tion and origin­de­ter­mi­na­tion of colour gem­stones, as well as the re­quire­ment of qual­ity data for cer­ti­fi­ca­tion. He con­veyed the importance of us­ing har­monised pro­to­cols and stan­dard­i­s­a­tion of lab­o­ra­to­ries, and the progress made in this di­rec­tion.

GII ex­ec­u­tive board mem­ber Dr. A.V.R. Reddy made a pre­sen­ta­tion on the flow of anal­y­sis and cer­ti­fi­ca­tion at GII. He ex­plained the en­tire process, in­clud­ing the importance of qual­ity as­sur­ance and qual­ity con­trol, and the use of ad­vanced tech­niques. Dr. M.D. Sas­try, GII ex­ec­u­tive board mem­ber, spoke about the treat­ment of gem­stones and meth­ods for iden­ti­fi­ca­tion of geo­graphic ori­gin, and ex­plained var­i­ous colour en­hance­ment meth­ods. He con­cluded his pre­sen­ta­tion by en­list­ing fu­ture re­quire­ments and pos­si­ble direc­tions.

The par­tic­i­pants sought clar­i­fi­ca­tions on colour treatments, crack fill­ing, resin fill­ing, beryl­lium dif­fu­sion and colour treat­ment, in­clud­ing both ra­di­a­tion and heat treatments. In­dus­try vet­er­ans Nitin Pachchi­gar and Bha­gawati Pa­tel joined Dr. Sas­try and GII col­leagues in an­swer­ing queries.

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