【Matepwende, 】New Production of Sapphire from Matepwende, Tanzania
Editor’s NoteThis article details the initial discovery and acquisition of sapphires from a new rush near Matepwende, Tanzania, in early 2024. It is…
gemology research
【Brazil】Interesting Metallic Platelets in a Brazilian Paraíba Tourmaline
Editor’s NoteThis article details the gemological analysis of a rare 2.52 ct Paraíba tourmaline, confirming its Brazilian origin through advanced…