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One Of The Rarest Finds In Opal Mining History ‘The Nest’ A Plate Of Three Opal Pineapples!
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How to Harvest Pecans (In Slow Motion) - Smarter Every Day 248
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How to Make a Real Diamond - (Not Clickbait)
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What Happens to Lasers Underwater? (Total internal reflection) - Smarter Every Day 219
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Explore the Royal Peacock Opal Mine / OPEN TO PUBLIC!!
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Husband & wife survive mining together at Coober Pedy!
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