24. Oct IGC 2025 Amber and its treatments: A New Baltic Amber Classification Chart This paper aims to present the history of the modification of Baltic amber (succinite), and particul Read More Elodie
01. Nov IGC 2025 Automated Data Processing of Raman Spectra for Supporting Spinel Origin Determination pinel is a highly valued gemstone, with its color and quality influenced by trace-element chemistry Read More Laurent Cartier
01. Nov IGC 2025 Noble gas in corundum: interests in gemology Noble gases —elements of the last column of the periodic table—are chemically defined by their f Read More Elodie