The Gentissima Oursin Fire Opal has fire opal gemstones surrounding the bezel, making it look like a blossoming sunflower. As part of its LVMH Watch Week presentation, Gérald Genta has debuted ...
Commercial quantities of gem-quality chrysoprase and green prase opal (nickel-bearing chalcedony and common opal, respectively) have been recovered from altered serpentinite deposits near Haneti, ...
Debate over the future of opal mining in New South Wales has continued in recent weeks as the industry continues to reject proposed legislative changes.