At almost 10,000 feet above sea level, villagers in northern Ethiopia have uncovered a seam of pure black opal buried within hand-dug tunnels. The site, hidden in Wollo Province’s rugged terrain, is ...
SYDNEY, NEW SOUTH WALES, AUSTRALIA, September 24, 2025 / EINPresswire.com / -- Sydney’s iconic Opal and Pearl destination, Cosmopolitan Jewellers, is proud to unveil a rare collection of Australian ...