FLUX-HEALED AND GLASS-FILLED RUBIES: NEW CHALLENGES

FLUX-HEALED AND GLASS-FILLED RUBIES: NEW CHALLENGES AUTHOR: GAGAN CHOUDHARY This article was first presented at the GIT Conference 2021 (held in February 2022). In recent times, the GJEPC-Gem Testing Laboratory (now, IIGJ-Research & Laboratories Centre) started to encounter rubies treated with flux-healing process, as well as presence of lead- and bismuth-based glass on surface (as […]