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Now Showing: Close encounter with the gems of the Smithsonian; cutting a 1,200-carat black opal; and make a simple ‘spinner ring’ for anxiety
 5.5 k views | Posted February 11, 2022 |
This week, a jeweller creates a spinner ring that helps reduce anxiety, get up close and personal with the Smithsonian's most priceless gems, and watch the polishing of a 1,200-carat black opal and see the final result.
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