Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy.

Lightning Ridge Famous opal mining town Although there are lots of opal mining towns in Australia there are four which have become household names - Coober Pedy, Andamooka, White Cliffs and Lightning ...

Unusually colorful fossils found in Australia belong to a stunning new species of plant-eating dinosaur, scientists report today in the Journal of Vertebrate Paleontology. The remains not only belong ...

CSIRO and a consortium of Australian Opal miners (Opal Producers Australia Limited) have unveiled the world's first automated device to grade opals using image analysis, at the 2009 National Council ...

Six monotremes living in the same place at the same time, 100 million years ago at Lightning Ridge, NSW. Clockwise from lower left: Opalios splendens, a newly described species dubbed an ‘echidnapus’; ...

Timothy Frauenfelder received funding from Dr Phil Bell's Australian Research Council grant. Nicolas Campione receives funding from the Australian Research Council. New insights gleaned from opalised ...