【Weasua, Libe】Update on Liberian Ruby
Editor’s NoteThis article examines a new source of rubies from Liberia, building on earlier reports. The samples discussed were provided by the NGO…
Ruby Origin
【Mogok, Myanm】Myanmar: The World’s Most Exotic and Romantic Gemstone Origin
Editor’s NoteThis article explains the fundamental density-based separation process used in gemstone mining, tracing the historical adoption of the…