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Perhaps the best-loved gems of all time, pearls—natural and cultured—occur in a wide variety of colors. The most familiar are white and cream, but the palette of colors extends to every hue. Natural pearls form around a microscopic irritant in the bodies of certain mollusks.
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.
Pearls are unique gems that grow within the soft tissue of living shelled mollusks. They come in white, black, pink, silver, and gold. The mollusk type, water temperature, and other minerals can affect their color. They consist of calcium carbonate, the main component found in the shells of mollusks, like oysters.
Perhaps the best-loved gems of all time, pearls—both natural and cultured pearls—occur in a wide variety of colors. Learn about the factors that make pearls so popular and desirable! Gem Encyclopedia
Pearls are gemstones that grow within mollusks like oysters. They form when an irritant, such as sand or a piece of debris, enters the mollusk's soft tissue. To protect itself, the mollusk produces a substance called nacre that coats the irritant layer by layer, eventually forming a pearl.
May 21, 2020 · Pearl is one of the oldest, most desired and most spectacular gemstones in the world. Formed differently to most gems, Pearl is an organic creation found in the sea, a natural phenomena that actually occurs as part of the defense mechanism of a mollusc shell.
Pearls come in eight basic shapes: round, semi-round, button, drop, pear, oval, baroque, and circled. Perfectly spherical pearls and symmetrical drops are the most valued. There are exceptions, though. Well-formed pear, oval, or baroque cultured pearls are also prized by pearl lovers.
