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Georgian seed pearl gold ring. A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids. Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) [3] in minute ...
Tahitian pearl. Tahitian pearls in bulk. The Tahitian pearl (or black pearl) is an organic gem formed from the black lip oyster (Pinctada margaritifera). [1] These pearls derive their name from the fact that they are primarily cultivated around the islands of French Polynesia, around Tahiti. [2]
Cultured freshwater pearls. A bead crochet necklace made from crochet lace, sterling silver, and freshwater pearls. Cultured freshwater pearls are pearls that are farmed and created using freshwater mussels. These pearls are produced in Japan and the United States on a limited scale, but are now almost exclusively produced in China.
Cultured pearl. Cultured pearls are pearls which are formed within a cultured pearl sac with human intervention in the interior of productive living molluscs in a variety of conditions depending upon the mollusc and the goals. [1] Having the same material as natural pearls, cultured pearls can be cultivated in seawater or freshwater bodies.
The ideal pearl is perfectly round and smooth, but many other shapes, known as baroque pearl can occur. The finest quality of natural pearls have been highly valued as gemstones and objects of beauty for many centuries. Because of this, pearl has become a metaphor for something rare, fine, admirable and valuable. The most valuable pearls occur ...
Abernethy pearl. The River Tay, where the pearl was discovered. The Abernethy pearl, also known as the Little Willie pearl, is a 43.60-grain (2.825 g) freshwater pearl [1] named after William Abernethy (1925–2021), who discovered it in Perth, Scotland, in the River Tay in 1967. [2][3] It is also known as Bill's pearl. [1]
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