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 ...

Opals, associated with the zodiac sign Libra, are known for their emotional healing and creativity-boosting powers. Artists often use them to overcome creative blocks, while spiritual practitioners ...

In a find unlike anything seen before, a piece of opal from the island of Java in Indonesia holds some remarkable cargo: a stunningly preserved insect that may be at least four to seven million years ...