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Now Showing: 'Chinese writing' surprise while polishing opal; gold dissolved in acid to recover diamonds; and making a traditional signet ring
 2.5 k views | Posted October 01, 2020 |
Take a few moments to enjoy Jeweller's video selection including updates on current affairs and insights into our jewellery trade. This week, watch an opal reveal its secret history while being polished, discover how acid is used to recover diamonds from gold, and refresh your knowledge of how signet rings are made.
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