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The correct definition of a South Sea pearl – as described by CIBJO and GIA – is a pearl produced by the Pinctada maxima [21] pearl oyster. South Sea pearls are the color of their host Pinctada maxima oyster – and can be white, silver, pink, gold, cream, and any combination of these basic colors, including overtones of the various colors ...
Learn more about these white and golden pearls. Traditionally, any cultured pearls grown in the waters south of Japan were considered South Sea pearls. Now, the term applies only to white and golden pearls grown in Pinctada maxima oysters. This saltwater mollusk can reach very large sizes.
The pearl of P. maxima is called “south sea pearl” and the diameter attains about 10 mm. This oyster is widely used in Australia, Philippines, Thailand and Indonesia for artificial culture. The black lipped pearl oyster is found in the Indo-pacific oceans.
Molluscs represent 23% of all named marine species and comprise over 100,000 identified species of (primarily) marine invertebrates. Within this phylum, only a limited number of bivalve and gastropod molluscs produce the chemical substance that creates pearls.
15 sie 2024 · This comprehensive understanding underscores the interdisciplinary nature of pearl cultivation, bridging biology, chemistry, and environmental science to achieve desired aesthetic and commercial outcomes.
6 wrz 2024 · South Sea pearls are saltwater pearls that grow in the Pinctada maxima oyster. This is the largest pearl-producing oyster in the world and at maturity can be as large as a dinner plate (up to 30 cm in diameter). Hence, South Sea pearls are larger than most other cultured pearls.
19 sie 2013 · What exactly are pearls? Pearls are calcareous deposits found inside the bodies of molluscs. Pearls form when the shell-formation pathway is induced in the wrong part of the animal. The pearls of many molluscs are smooth and chalky.
