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 Historic Emeralds and their Geographic Origin: A Retrospective Study When it comes to the geographic origin of gems, curiously enough, historians sometimes put forward p Read More Elodie
17. Nov IGC 2025 Rubies from Greenland Gemology is traditionally practiced in laboratories, focused on identifying and analyzing gemstones. Read More Laurent Cartier
17. Nov IGC 2025 A convincing glass imitation of larimar (pectolite) Larimar, a massive blue variety of the mineral pectolite, belonging to the wollastonite group of min Read More Elodie