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More than a decade ago the freshwater pearl industry of China shifted production from the cockscomb pearl mussel to the triangle shell mussel (Hyriopsis cumingii). The triangle shell produced fewer pearls, accepting only 12–16 grafts per valve for a total production of 24 to 32 pearls, but produced pearls of better quality.
The original Japanese cultured pearls, known as akoya pearls, are produced by a species of small pearl oyster, Pinctada fucata martensii, which is no bigger than 6 to 8 cm (2.4 to 3.1 in) in size, hence akoya pearls larger than 10 mm in diameter are extremely rare and highly priced. Today, a hybrid mollusk is used in both Japan and China in the ...
The freshwater pearl mussel (Margaritifera margaritifera) is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae.. Although the name "freshwater pearl mussel" is often used for this species, other freshwater mussel species (e.g. Margaritifera auricularia) can also create pearls and some can also be used as a source of mother of pearl.
Below find 12 modern pearl pieces you’ll want to wear always. 14K Juliana & Howie Charm Necklace "Each Howie necklace comes with a circle clasp bail in which the customer can clip charms onto.
After seeing a news story about a similar find being valuable, Serino dug up the stone, learning that the rock is really a six-carat rare lavender pearl worth about $15,000.
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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 a conulariid.Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) [1] in minute crystalline form, which has been deposited in concentric layers.
Servilia's pearl was a pearl given by Julius Caesar to his favourite mistress Servilia.It was described by imperial biographer Suetonius to be a lone (uniones, meaning "singleton") [1] large black pearl [2] worth six million sesterces (approximately 1.5 billion dollars in 2019 value), making it perhaps the most valuable gem of all time.