100 carat rough opal fresh out of the mine gets cut
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タタラ技法 Tatara 陶芸 甲賀
20:14
$6000 investment - The best cut ever - Rare Harlequin Black Opal
19:38
I cut this 166 carat rough opal straight from the outback mines of Australia
20:18
Encontré una ágata perfecta mientras caminaba por el lago Superior [Cortando los hallazgos con un...
15:41
300 carats of uncut gem opal has incredible color inside. I cut it to pieces Literally
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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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I stopped my son cutting a $12,000 gem - now I feel bad
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