How does the CIBJO Pearl Book define Conch pearl, Quahog pearl and Melo Melo pearl ?
Posts by Joan
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Is there an international body that sets up the standards and guidelines for the natural and cultured pearl industry ?
How does the CIBJO Pearl Book define Conch pearl, Quahog pearl and Melo Melo pearl ?
Is there an international body that sets up the standards and guidelines for the natural and cultured pearl industry ?
