Common sizes for many of the opal cabochons set in jewelry are 6×4, 7×5, and 8×6 mm. The Fire of Australia, a large uncut opal, weighs 998 grams or just under 5,000 carats. South Australia is one of ...

We have chocolate or fire opals… We also have the hydrophane ... While a person can bathe with a hard, rugged Australian opal, Ethiopian opals demand more diligence due to their relative fragility.

Opals may have been around for thousands of years, but they’re having a major resurgence in the jewelry world right now.

The stones once again saw a resurgence in the late 19th and early 20th century when opal deposits were discovered in Australia, and have since waxed and waned in popularity. But this year ...

Gambling advertisements on NSW buses and trains will be banned after the state government faced criticism after promotions ...

Australia’s top scientist faces a showdown with a future Coalition government, casting doubt on the opposition’s plan to ...

We have chocolate or fire opal… We also have the hydrophane opal ... While a person can bathe with a hard, rugged Australian opal, Ethiopian opals demand more diligence due to their relative fragility ...

Adelaide is set to host the first Australian men’s basketball internationals outside Victoria since 2019, with both the Boomers and Opals set to hit South Australia later this year. See the details.