Pearl cultivation is relatively new to Hawaii. After starting its tank-based oyster hatchery in 1992, Kona based Black Pearls Inc. plans to develop pearl farms on Keehi Lagoon, on Oahu.
Cultivation
Pearls are produced naturally in the body of saltwater and freshwater mollusks such as oysters and mussels.
Cultivation: The process of forming a pearl by inserting tissue from a sacrifice mollusk into another.
Cut: The method of faceting a gem.
Cultivation
The process whereby a mussel or oyster is seeded, cared for and harvested to produce a cultured pearl.
Cultured pearls ...
Cultivation
The process used to form a pearl by inserting tissue from a donor mollusk into another.
Dichroism ...
Cultivation is a sophisticated process to grow pearls. Skilled technicians insert irritants (mother-of-pearl seeds or other materials) in the molluscs and the nacre starts to accumulate around it.
Cultured pearl ...
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Due to their easy cultivation, freshwaters are fairly inexpensive. Shapes can be freeform, rice shaped, off-round or spherical and colors range from milky white, to peach, pink, and lavender.
front (Salt Lake City, then Bountiful and Weber Valley, then Provo and Utah Valley), irrigation enabled the establishment of fairly large pioneer populations in an area that Jim Bridger had advised Young would be inhospitable for the cultivation of ...
Formerly small and irregular in shape, recent advances in cultivation have made it possible to attain freshwater cultured pearls which are up to 10 mm in diameter and nearly spherical in shape.
In Akoya pearl cultivation, the irritant introduced into the oyster is a round shell bead, accompanied by a piece of oyster tissue which stimulates nacre production (this is sometimes called "nucleation").
As time passed, new mining methods were discovered which did not hamper the cultivation of crops and the farmlands remained untouched. With advanced technology a vertical shaft was protruded until it reached the illiam.
Named for their tiny size, true keshi are small irregular pearls formed by accident during the cultivation process.
100)Apprenticeship, protection of child labor. 101)Wages, profit sharing. 102)Wholesale and retail industries, cooperative associations or production and credit. 103)Cultivation of large and small farms, agricultural syndicates and banks. 104)Safety ...
Nucleus: The object which is artificially inserted into a pearl's mollusk during the cultivation process. This becomes the center of a finished pearl.
Overtone: A hint of a secondary color (see body color): pinkish, silverish, or bluish.
These pearls are cultivated in mussels, in freshwater lakes and rivers in China, Japan and the United States. Due to their easy cultivation, freshwaters are fairly inexpensive.
Freshwater - Pearls cultivated in mussels, not oysters, in freshwater lakes and rivers in China, Japan and the United States. Due to their easy cultivation, freshwaters are fairly inexpensive.
Several factors determine what a particular pearl farmer will do: the longer the pearl grows, the thicker the nacre and the more durable and potentially beautiful it will be, but at the same time, longer cultivation increases the death rate of the ...
The oyster bed is a natural habitat that must be painstakingly nurtured before a pearl can even be conceived. The cultivation process begins with a core.
Grown in the large black-lipped saltwater oyster (pinctada margaritifera), Tahitian pearls are celebrated for their exceptional beauty.
Tahiti’s pure and tranquil waters are the ideal cultivation grounds for the dramatic Tahitian pearl.
to high quality pearls which were cultivated by molluscs in the waters of Japan's largest lake. Lake Biwa was among the first places where pearls were cultivated, but increasing pollution in the lake has compelled pearl farmers to stop cultivation.
pearls most commonly consist of Akoya (Japanese) and South Sea pearls, also know as Tahitian pearls. Various types of pearls are produced as a result of different oyster/mollusk use, the environment in which they live, and different cultivation ...
of a mother-of-pearl bead inside the living tissue of the mollusk, which coats the bead with nacre, producing a cultured pearl within one to three years (depending on seasonal conditions and water temperatures). The advent of pearl cultivation has ...
Another sector of this market are the natural or dye coloured freshwater pearls which are pearls that has been cultured or farmed, with pearl cultivation now taking place almost exclusively in China.
 See also: Natural, Jewel, Water, Color, Pearl
  
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