17. Nov IGC 2025 An approach to understanding the factors in the emerald enhancement clarity grading system used at CDTECGemlab Javier Garcia-Toloza, Juan David Rincón, Cristian Ochoa, Julio Cedeño Carlos Download Pdf Emerald
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
17. Nov IGC 2025 On the nature of blue rose quartz Over the past several years, the market for pink-coloured rose quartz has been augmented by variants Read More Laurent Cartier
17. Nov IGC 2025 Color Genesis Analysis and Characteristics for Origin Identification of Purple Jadeite Purple jadeite, renowned for its distinctive purple hues and rich cultural connotations, is highly a Read More Elodie