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Atypical “Beading” in the Production of Cultured Pearls from...
www.gia.edu
In 2011, the authors began to see cases of low-quality natural pearls being used as unconventional “beads” for cultured nacre growth.
Gulf Daily News
www.gulf-daily-news.com
Precious metals and gemstone testing director Ali Mohammed Safer and the gem and pearl testing laboratory head Abeer Tawfeeq Al Alawi visited the Bombay ... › ...
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