Forty Year Old Rough Opal — Its time is up. I'm going to cut it!
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How to Cut Gemstones | Opal Faceting in 4K
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PIEDRA PRECIOSA DE ÓPALO DE LIGHTNING RIDGE, AUSTRALIA blackopaldirect.com
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Revealing Opal color with a huge increase of value
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I cut this 166 carat rough opal straight from the outback mines of Australia
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Turning a fossil into the best crystal opal I have ever cut
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Why Black Opal Is So Expensive | So Expensive
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Australian Mookaite...with a little help from a friend( Ron Hoppus)...
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