GII Seminar Highlights Colour Stone Developments, Future Directions
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.