Understanding Rare Non-Nacreous Pearls

March 6, 2024

Beginner gemmologists are often surprised to discover how complex and varied pearls can be. What we see lining the shelves of fine jewelry stores are not the only biogenic materials of interest to gemmologists and trade professionals. Gem-A tutor Pat Daly explores non-nacreous pearls in this article, including conch and Melo melo, and takes a closer look at the mollusks that produce these rare aquatic treasures.

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