Santa Fe jewelry designer and Australian native Katherine Jetter has seen a lot of opals in her career. But when she saw "The Royal One," she actually cried."It made me cry when I saw it and I think ...

The beautiful optical properties of the gemstone opal are the result of tiny amounts of uranium present when the stones were formed, say researchers in Australia. They claim that their work could lead ...

What is millions of years old and is trapped inside of a rare gem? Not sure? We aren't either. But that's exactly the question a local gem dealer is trying to answer after discovering an unidentified ...

October has two birthstones, opal and tourmaline. Thankfully, they are both stunningly pretty and perfect specimens to ...

The red dirt in central Australia might be a close mimic for the red surface of Mars, suggests research that sheds light on how opals formed in the land Down Under. Precious opal is Australia’s ...

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RIVERTON - Discovery of a 34-pound opal in central Wyoming could ignite an old-fashioned, rootin'-tootin' mineral rush this week - if would-be prospectors get worked up about the find. At 11 a.m.

Francesca Cartier Brickell’s book on Cartier talks up semi-precious stones, as do Victoria Lampley Berens of jewellery consultancy The Stax and Sophie Howard, founder of By Pariah By Pariah’s ...