17. Nov IGC 2025 Blue sapphire from Malacacheta of Minas Gerais, Brazil Masaki Furuya Download Pdf Sapphire
17. Nov IGC 2025 Diamonds from Than Lwin River near Mong Hsu, Myanmar Sixteen rough diamonds were acquired in 2023 by co-author TTS from a gem dealer linked to Mong Hsu, Read More Elodie
17. Nov 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
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
