17. Nov IGC 2025 Noble gas in corundum: interests in gemology Boris Chauviré, Marianna Corre, Martial Curti, Cécile Gautheron, Sarah Figowy, Lauriane Pinsault Download Pdf Gemmology
17. Nov IGC 2025 Hurlbutite from Myanmar A crystal of the very rare mineral hurlbutite originating from Myanmar (without further locality det Read More Elodie
17. Nov IGC 2025 Morphologies and Surface Features of Diamond Samples from Southern Thailand In 1955, the first report on Thai diamond was made by Dr. Payome Aranyakanon, a renowned tin explora Read More Laurent Cartier
17. Nov IGC 2025 Low Temperature Heat Treatment of Madagascar Sapphire One of the challenges facing gemologists today is the detec- tion of low temperature (below 1200°C) Read More Elodie