23. Oct IGC 2023 Colour change Paraiba tourmaline from Brazil By Claudio C. Milisenda, Stefan Müller Download Pdf Tourmaline
23. Oct IGC 2023 Milky appearance of Geuda sapphire from Sri Lanka Sri Lanka is famous for gems since several thousand years. Almost corundum varieties have been found Read More Elodie
23. Oct IGC 2023 The Importance of Research for Gem & Jewellery Industry Research has always been an essential tool for business leaders who always realise that the consumin Read More Elodie
23. Oct IGC 2023 Effects of Gamma Irradiation on Ruby and Pink Sapphire and Potential Detection Methods in Gem Labs Gamma irradiation is a non-destructive and non-invasive treatment method used to enhance the colour Read More Elodie
