【Julian, Cali】New Emerald Locality in Southern California
Editor’s NoteA new emerald deposit has been identified in California’s Julian Mining District, marking a notable geological discovery in a region not…
Hydrothermal Process
【Boyacá, Colo】Colombian Emerald Mining: Will the Giant Awaken?
Editor’s NoteThis article explores the geological rarity of emeralds, explaining how the unique convergence of chromium and vanadium—elements…