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Color Classification and Stability of Queen Conch Pearls
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· Olivier Segura and Emmanuel Fritsch Jul 31, Richard T. Liddicoat Gemological Library. Search GIA's library catalog of 57,000 books, 1,800 videos, 700 periodicals, and the renowned Cartier Rare Book Repository and Archive. Visit the …
Natural Pipi Pearls from Tahiti | Gems & Gemology
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· Photo by Olivier Segura. Recently, the Laboratoire Français de Gemmologie (LFG) received a parcel of nearly 100 pearls submitted as natural pearls from Pinctada maculata. The owner (Bruno Arrighi, Croissy Pacific) specified that he had personally collected the parcel in French Polynesia during the past year (figure 1).
Nonbead-Cultured Pearls from Strombus Gigas | Gems & Gemology
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Advances in pearl culturing are seen in a parcel of specimens from Strombus gigas gastropods.
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