17. Nov IGC 2025 Gems in Greece: Geology, mineralogy and crystallizing environment In the accretionary Hellenides Orogen, gems occur in various rock types of mainly four tectonometamo Read More Laurent Cartier
17. Nov IGC 2025 Spinel from Sri Lanka – An update Most of the spinels are found in shades of red to purple. Colourless, green and cobalt bearing varie Read More Elodie
17. Nov IGC 2025 Effects of Gamma Irradiation on Corundum: Towards a Potential Detection Method Corundum, encompassing the highly prized ruby and sapphire varieties, stands as a cornerstone of the Read More Elodie
