we call them crystal opal, which are specimens,” he said. “They’re not the best for cutting. We have chocolate or fire opals… We also have the hydrophane opal, which features a range of ...

For Monica Rich Kosann, whose high jewelry collection, The Jewels of Nature, uses rare Australian black and crystal opals and ...

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 ...

Since 2023, the Gerald Genta watch brand has issued four iterations of its classic Oursin design, most recently with fire opals. By Victoria Gomelsky When Matthieu Hegi met Evelyne Genta ...

Discovering fire opals, garnets, fluorite and quartz in the heart of Nevada. We travel across the state from Denio to Ely, and from Austin to Verdi, to enjoy a sampling of the treasures that the ...