Frederick: It's simply the most stunning gemstone on the planet ... But over 90% of the world's opal comes from Australia. And a lot of the black opal is found here, at Lightning Ridge.

Her husband Albert shared her love of the fiery gemstone, and she owned ... late 19th and early 20th century when opal ...

There’s an undeniable passion for custom-made jewellery among consumers. JAMES TEMELLI says this presents an opportunity not to be missed.

Nestled in Australia is a unique subterranean town situated amid the desert, encircled by gems worth millions. Dubbed as the "Opal Capital of the World" Coober Pedy is a town and mining field ...