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

(CNN)-- A hunt for precious gemstones revealed the first fossil evidence of a dinosaur herd, including a previously undiscovered dinosaur species, in Australia. The new dinosaur fossil was found in an ...

Opalised fossils from Lightning Ridge, N.S.W, Australia. From the collection of the Australian Opal Center. Clockwise from top left: freshwater snail; plesiosaur tooth; crocodile tooth; pine cone; ...

Thirty-five years ago, an opal miner discovered a new species of dinosaur from a piece of rock he nearly destroyed. Thankfully, Bob Foster's curiosity kept him from smashing the rock containing the ...

When Mike Poben, an opal buyer and and fossil fanatic, bought a bucket of opal from an Australian mine, he was surprised to find to find what looked like an ancient tooth in the pile. Later, he also ...

CSIRO and a consortium of Australian Opal miners (Opal Producers Australia Limited) have unveiled the world's first automated device to grade opals using image analysis, at the 2009 National Council ...

It's freezing cold, scorching hot and a source of Australia's opals. Here's what life's like when you have to jury-rig even the most basic tech to survive. Claire Reilly was a video host, journalist ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Gemstones are precious, especially when they come filled with dinosaur bones. Back in the 1980s, ...

Two gemologists, Carlos Torres and Laurent Massi, have created “The Gem Odyssey,” a company that provides private excursions to artisan gem mines in remote locations. Currently their tours go to ...

A private collection of opals is slowly making its way around the world being shown privately to collectors. The hoard consists of 12 uncut, untreated black opals of varying shapes and sizes acquired ...