【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…
Tanzania sapphire
【Vancouver, W】Sourcing Stones with Columbia Gem House
Editor’s NoteThis article highlights the pioneering work of Eric Braunwart and Columbia Gem House in establishing ethical and traceable sourcing…