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.

Northwest communities around the Lightning Ridge opal fields are now better protected from bushfires following the Minns Labor Government's completion ...

Northwest communities around the Lightning Ridge opal fields are now better protected from bushfires following the Minns Labor Government’s completion of more than $1.35 million in fire trail upgrades ...

We’re settling this hot debate once and for all. Here's everything you need to know about the opal jewelry trend.

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 ...

gérald genta has unveiled the “Gentissima Oursin Fire Opal” at LVMH Watch Week. This limited-edition timepiece is the fourth in the Gentissima Oursin series, epitomizing the brand’s ...

The legacy of Mr. Genta strikes at first sight in terms of aesthetics and construction, with individually screwed fire opal gems surrounding the circumference of the ...

As Scott wrote, “Amid the changing lights peculiar to that gem, displayed internally a slight tinge of red like a spark of fire ... when opal deposits were discovered in Australia, and ...