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The Pacific Ocean is property to the black-lipped oysters that generate large Tahitian pearls. The ocean waters are warm, and this enables the oysters to increase a lot bigger than in other areas, as a result making more substantial pearls. Tahitian oysters are farmed in huge sheltered lagoons that are kept free of charge of pollution and overcrowding. H2o temperatures and nutritional levels, as nicely as environmental and biological situations are monitored carefully. These well cared for oysters are accountable for creating the gorgeous Tahitian Pearls. Tahitian pearl

How a Tahitian pearl is formed

Aragonite, which is a kind of calcium carbonate, is secreted by the pearl oyster. This substance coats the within of the oyster shell and generates the "mother-of-pearl" lining. It also varieties the layers of the pearl. The oyster can generate aragonite secretions up to 4 instances a day with each and every secretion forming yet another layer. The layers are about one micron or 0.001mm thick. Tahitian oyster reside for about two decades which means they produce up to about two thousand layers; much more than most other pearls. The mild passes by means of these many microscopic layers and is mirrored and refracted to produce a shimmering effect. This shimmering produces superb colours which seem to be to travel and move during the pearl. This is portion of what can make the Tahitian pearl so unique.

Criteria

Pearls are graded based on specific criteria. These are:

o Size - the high-priced pearls are the larger ones. The Robert Wan Pearl is the largest Tahitian Pearl and it measured in excess of 20.92mm or 13/16 of an inch in diameter. Tahitian pearls generally measure amongst 9mm and 14mm and are substantially bigger than Chinese or Japanese pearls.

o Pearl Thickness - layers surrounding the nucleus.

o Shape - round pearls are the most sought after and can't range far more than 2% from currently being completely spherical. Tahitian pearls can also be semi-round and semi-baroque.

o Surface Purity - surface imperfections on the pearl.

o Quality - the luster and the imperfections of the pearl.

o Brilliance - the orient and the luster of the pearl. The orient, which is the shimmering top quality of the pearl, is very noticeable in Tahitian pearls.

Colors

Although tahitian pearls are normally black, they are really unique in their coloration. The pearls highlights can be silver and even gold. The overtones on a Tahitian pearl can be blue, purple and even green. The versions in the shades of the pearls make extremely striking jewelry when blended with other gemstones and metals.

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