Australian Women's Weekly on MSN9mon
The women of the Australian outback’s black opal fields
The world covets opal but the most revered is black opal – a kaleidoscopic play of rainbow colours set against a contrasting ...
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Why black opal is one of the most expensive gemstones in the world
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.
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Why pearls, black opal, and chocolate diamonds are so expensive
The shinier the pearl, the better. Black opal is one of the rarest gemstones in the world, sought after for its seemingly infinite display of colors, compared to common opal, which is usually one ...