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

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

Lightning Ridge is a small mining town outside of New South Wales, Australia renowned for its black opal, which can sell for over $10,000 per carat. But even for an expert miner, finding high-quality ...

While we love the classic gift of jewelry, it’s time to add a new spin to the meaning behind your gem-tastic gift. We’ve created an illustrated guide to gemstones — complete with what each gem ...

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 ...

A gemstone, billed as one of the largest gem-quality opals in existence, was sold for $143,750 at auction in Alaska on Sunday. For the latest headlines, follow our Google News channel online or via ...

Analysis of data collected by NASA's Mars rover Curiosity has revealed that Martian craters are rich in opal rough. Researchers report that this opal indicates the presence of water on Mars, a finding ...

People born in October can have one of two astrological signs: Libra (born between October 1 and 22) and Scorpio (born between 23 and 31). The marigold and cosmos also represent those born in October.