23. Oct IGC 2023 Colour change Paraiba tourmaline from Brazil By Claudio C. Milisenda, Stefan Müller Download Pdf Tourmaline
23. Oct IGC 2023 Crystal structure of nano inclusions in blue sapphire from Diego Suarez, Northern Madagascar Nano inclusions in unheated blue sapphire (Diego Suarez, northern Madagascar) containing naturally o Read More Elodie
23. Oct IGC 2023 Influence of Irradiation on Colour Modification and Colour Stability of Rubies: A Preliminary Study Ruby is the chromium-bearing red colour-variety of corundum Al2 O3 . Since historic times, ruby is h Read More Elodie
23. Oct IGC 2023 Geographic Origin Determination of Fei Cui: A comparison of high-quality green Fei Cui from Myanmar, Guatemala, and Italy Fei Cui is a kind of jade that is defined as a granular to fibrous polycrystalline aggregate compose Read More Elodie
