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How Black Pearls Get Their Color?

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Any natural black pearl will be much more expensive and also mysterious than the classic off-white pearl. Manufacturers of pearls can also dye pearls black. Pearls with natural dark and iridescent glow are quite rare.

The black pearls are not cultured and are not really grown under very tightly controlled conditions created by pearl farmers will start forming much like all other pearls.

When the irritant like grain of sand will get stuck inside the body of the oyster, it will try to ease its discomfort by putting a coat of calcium carbonate that hardens to create a pearl.

Pearl is usually made up of same iridescent, luminous substance which the oyster lines inside of the shell with.

These black pearls will be formed when a sand piece will get stuck in the body of very specific kind of oyster, which is Tahitian black-lipped Pinctada margaritiferid.

Its interior shell, which is called nacre of most of the oysters, is usually glossy silver or white but Tahitian black-lipped oyster will feature certain thick black band. In case, pearl forms very near to that band, then it will also suck up that color.

Tahitian black-lipped pearls may be darker in case they develop very close to lips, and may also be silvery gray color in case they will get wedged in lighter portion of oyster.

In case, an oyster typically produces only white pearls has unusual black color in its nacre, then it too will create blackish pearl. However, this is rare and it may occur in only 1 in 10,000 pearls.

Price of any black pearl will depend on its size, lister, shape, color and also surface quality that are graded on scale from A – D.

Any perfectly round, 10 mm-sized, AAA quality, Tahitian black pearl will be costing $140, while round, 10 mm size white freshwater pearl of grade AAA, will cost about $15.

However, people may have many other questions to ask about pearls and since the science about pearls are still in evolving stage, there are few websites available who invite questions from people.

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