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Unformatted text preview: Pearls: natural, cultured & imitation
• History of pearls
– Faux pearls • Mikimoto
– Akoya – Black • Pearl 1994 • Pearl technology • Freshwater pearls
ANS 18 ANS 1 Most expensive dinner in history
Cleopatra wins the wager, she also won Mark Antony’s ANS 18 ANS 2 Pearls - faux
• 1600’s - Parisian rosary maker, Jacquin - hollow
glass beads, coated inside with essence d’orient, the iridescence substance (guanine) from fish scales, then the beads filled with wax. Some of the finest faux pearls today are made on the Spanish Island of Majorca. Solid glass beads are repeatedly dipped in essence d’oreint. Each layer is carefully polished and when finished covered by a protective layer. Majorca S.A. produces some 2.5 million strands of pearls annually. Barbara Bush’s famous strand was a Majorca product. ANS 18 3 ANS • Note, while any nacre secreting mollusk can produce pearls the primary species of interest are: • Pinctata fucata - Akoya pearl oyster of Japan (6 – 8.5 mm pearls) • Pinctata maxima – silver lip pearl oyster of Australia (produces pearls up to 18 mm) • Pinctata margaritifera – blacklip...
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- Spring '11