Villagers in Ethiopia uncover rare black opal nearly 10,000 ft high, reshaping the global gem market with vibrant stones.

The villagers in Wollo, Ethiopia, made the discovery almost 9,800 feet above sea level. Their tunnels follow a single opal ...

At almost 10,000 feet above sea level, villagers in northern Ethiopia have uncovered a seam of pure black opal buried within ...

Enchanting gem: The American Gem Society describes fine opal as an "enchanting gem" through which some believe "the mysteries of love can be exchanged." The Gemological Institute of America says opal ...

Preparations are finalized to integrate opal and other mineral products into the modern trading platform of the Ethiopian Commodity Exchange (ECX).