These reports, published after visits to Musakashi in July 2009 and August 2010, provide details adding to the history of emerald mining there. Location and Access During the dry season, the Musakashi ...

Emeralds are formed when chromium, vanadium, and iron are present in the mineral beryl. The varying presence of these three elements gives emerald its range of color. Chromium and vanadium make an ...