17. Nov IGC 2025 Amber and its treatments: A New Baltic Amber Classification Chart Costanzo A., Klikowicz-Kosior A., Kosior M. Download Pdf Other Gemstones
17. Nov IGC 2025 Zoisite and its many color The mineral zoisite is a calcium alumosilicate belonging to the class of silicates, more exactly sor Read More Elodie
17. Nov IGC 2025 Hessonite garnet from Angul district of Odisha, India This study describes hessonite (Fe-bearing variety of grossular garnet), found in the Birlamunda vil Read More Elodie
17. Nov IGC 2025 Hurlbutite from Myanmar A crystal of the very rare mineral hurlbutite originating from Myanmar (without further locality det Read More Elodie