Opals can be found across the globe, though Australia is the largest source for the stone, according to the Geological Institute of America. Opals can also be found in Ethiopia, Mexico ...

But with fine jewellery designers such as Dior’s Victoire de Castellane captivated by the quality of Australian opals (she calls it “a poetic stone – an invitation to enter a fairytale ...

The opal Mr Darby found encased in stone is known as a "Yowah nut". It's a rarity found only around Yowah in Queensland's far south-west, which is closer to South Australia than it is to Brisbane.

A teacher from Australia was reunited with an opal gifted by his class to the children's author Roald Dahl more than 30 years ago. Mark Taylor, 57, made a special trip to the Roald Dahl Museum and ...

A teacher from Australia visited a museum in Buckinghamshire ... changed the way his students viewed their world. The opal stone gift to Dahl was the result of a conversation during this call.

A teacher from Australia was reunited with an opal gifted ... to which the class responded they had. An opal stone was duly sent to Roald Dahl via his publisher, Penguin. Roald Dahl thanked ...