Saltwater Pearls - JewelInfo4u
By:Binasaji
Summary: One of the varieties of Natural pearls is the Conch Pearl it has a distinct pattern on its surface and a shining gloss. To find a conch pearl is extremely rare.
Although both natural saltwater and freshwater pearls have all been highly coveted, rare, and valuable gems throughout human history, saltwater pearls were the first to be successfully cultured by man.
saltwater pearl
Those pearls that are harvested from mollusks living in saltwater
seed pearl
A natural, round pearl that weighs less than 0.25 grains, and measures less than 2mm in diameter ...
Akoya Saltwater Pearl Cultivation
Akoya is the Japanese word for Saltwater. Akoya or Saltwater pearl oysters are nucleated using a bead usually prepared from mother-of-pearl. The bead serves as a mold around which the pearl nacre will develop.
Saltwater pearls are pearls that are grown in saltwater seas and oceans. These pearls are typically more valuable than most other types of pearls because of their luster and beauty.
Saltwater pearls can grow in several species of marine pearl oysters in the family Pteriidae. Freshwater pearls grow within certain (but by no means all) species of freshwater mussels in the order Unionida, the families Unionidae and Margaritiferidae.
Saltwater pearl
Any pearl, natural or cultivated, that is grown in a mollusc that lives in salt (ocean) water.
Seawater natural pearl ...
The most common Saltwater Pearl shape is round, it's correct name is an "Akoya" Pearl because it comes from an Akoya oyster. Pearls are readily available in sizes up to about eight and a half millimeters.
One of the largest saltwater pearls is the Hope Pearl, first acquired by Henry Philip Hope in the 19th century. It is two inches long, and varies between 3 ¼ and 4 ½ inches in circumference.
Both freshwater and saltwater pearls are cultivated in Japan and China. Freshwater pearls occur in the rivers of Scotland, Ireland, France, Austria, Germany, and the USA (Mississippi) Pearls were once thought to be the tears of the gods.
Cultured pearls can either be freshwater or saltwater where the saltwater pearls are more expensive than the freshwater pearls.
South Sea pearls are saltwater pearls cultivated from the oyster found in the South Seas centering on Northern Australia and South-East Asia.
production of saltwater pearls. Abalone from along the Pacific Coast, primarily California, produce both blister and free pearls and their shells are used for inlay in jewelry and other items.
Freshwater pearls occur naturally, or are cultured, in mussels in the same way that saltwater pearls occur or are cultured in oysters.
Akoya oysters: Mollusks of choice in the cultivation of saltwater pearls.
Alluvial deposits: Gem deposits found in water after they have been separated from the mother rock.
Due to demand for perfectly matched white pearl strands, cultured fresh and saltwater pearls are often bleached to achieve a uniform color. They may also be polished in tumblers to clean and improve their luster.
Freshwater pearls are cultured in freshwater mussels, mostly in China. They are much smaller and less expensive to harvest than saltwater pearls. One mussel can yield more than twenty or more pearls in each harvest.
The coasts of Polynesia and Australia produce mainly cultured pearls. Both freshwater and saltwater pearls are cultivated in Japan and China.
Saltwater pearls like the Japanese Akoya and South Sea pearls come from oysters and have a spherical mother of pearl seed. Fresh water pearls come from mussels and are seeded with an organic implant.
The first commercial freshwater pearl crops appeared in the 1930s, and became instantly sought, as the all-nacre Biwa pearls formed in colors unseen in saltwater pearls.
Tahitian Cultured Pearl:A type of cultured, saltwater pearl known for its large size and dark colors, usually black, gray, or dark green.
 See also: Pearls, Water, Pearl, Jewel, Cultured
  
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