The 23rd edition of the Australian Opal Exhibition is less than a month away, and anticipation around the event continues to grow.

At the recent Couture and JCK Las Vegas trade shows, the beguiling boulder opal made a gorgeous mark on a bevy of fine jewelry.

Most days, 74-year-old Geoffrey Weller climbs down a ladder, descending through fifteen metres of red rock down a narrow mine shaft. In the tunnels, below the harsh sun, he is searching the fault ...

There are few stones more polarising in the style stakes than the opal. Often lampooned for its bohemian sensibilities and cleansing powers, the opal, in all its myriad colours and patinas, has ...