Natural Pearls
Prior to the 19th century, when they were superseded in price by diamonds, natural pearls had, throughout history, been valued above all other gems.
Natural Pearls - JewelInfo4u
By:Binasaji
Summary: These gems have found mention in historical texts of different cultures and even in religious texts of Indians, Buddhists, and Muslims and even in the Bible.
Natural Pearls: History of Pearl Diving
Photo: Public Domain
The Hunt for Natural Pearls ...
Natural Pearl Market
Todays Natural Pearl Market
By Kevin Canning ...
The finest natural pearls are fished almost exclusively from the Persian Gulf and the China Sea, while the best cultivated ones come from Japan, Korea and more recently Australia.
Today, most of the natural pearls come from Bahrain and Australia. Obviously, natural pearls are expensive ones because they are hard to get. The widely desired Melo Pearls and Keshi Pearl are some of the best quality natural pearls.
NATURAL PEARL
A natural pearl (also called a genuine pearl) is a pearl that was produced in an oyster, freshwater mussel or other mollusk as a reaction to a tiny invading object that happened to be caught inside its shell.
NAVETTE ...
Natural pearls are produced - without any intervention by man - by certain types of mollusks (oysters and clams) found in a number of both salt and fresh water sources including areas of the Pacific Ocean, ...
Natural Pearl
Natural Pearl is a pearl that was produced without any human catalysts.
Nautical
Nautical is jewelry designed with themes dedicated to the sea.
Natural pearls: Pearls formed by an irritant without surgical implementation.
Natural pearls
Formed entirely by an act of nature and without any assistance from man. An irritant such as a parasite or other foreign object enters the body and is covered in concentric layers of nacre inside the mollusc.
Near round pearls ...
Natural Pearl - A pearl that begins as a piece of grit or other foreign substance that makes its way into the shell of a marine or freshwater mollusk (oysters, clams).
NATURAL PEARL - A pearl that originates naturally in a mollusk, as distinguished from cultured or imitation pearls.
NICK - A minor chip on the surface of a diamond, usually found near or on the girdle of the stone.
Top ...
natural pearl
A pearl produced by a mollusk as a result of a foreign object that has naturally entered its shell ...
Natural pearl
A pearl that forms naturally, in an oyster, is known as natural pearl.
Natural Pearl:
A natural pearl results from nature inserting an irritant into a mollusk and the mollusk secreting a natural coating which covers it. These are very rare and nearly impossible to find today.
Natural pearls are so rare to find in nature that most pearls sold today are cultured.
Natural pearls formed without human promotion are extremely rare and seldom uniformly shaped. For this reason, cultured pearls dominate the jewelry market today.
Natural Pearls -- Pearls made with no human intervention.
Cultured Pearls -- Pearls made by inserting a bit of an irritant into a living oyster or mollusk.
Baroque Pearls -- Large oddly shaped pearls, usually used as art pieces.
Natural pearls have been harvested from the Persian Gulf, the Gulf of Manaar (Indian Ocean), and the Red Sea for thousands of years. The coasts of Polynesia and Australia produce mainly cultured pearls.
Natural pearls are created when certain types of mollusks secret nacre around an irritant, which has entered the mollusk without the intervention of man.
Natural pearl
Pearl grown naturally without human intervention. Unfortunately, seawater natural pearls are rarely available now. Main reasons are water pollution and excessive fishing. Usually they have irregular shapes like a pear or drop.
Natural pearl weights are given in carats and grains; a pearl grain is 0.25 carats. "Seed" pearls are those that weigh less than 0.25 grains. The weight unit for Japanese cultured pearls is the momme, which is equal to 3.
Natural pearls are made without any human intervention.
Nickel Silver
Nickel silver (also know as German silver) is an alloy consisting of mostly copper (roughly 60 percent), and approximately 20 percent nickel, about 20 percent zinc, ...
natural pearl
A natural pearl is one formed through a process of an oyster/mollusk secreting nacre around an irritant that enters the shell naturally without artificial insertion. Natural pearls are very rare.
nephrite ...
A natural pearl.
Overlap Ring
A ring wherein the gemstones are placed so that they overlap one another.
Fine natural pearls are rare. The Persian Gulf has always been the source of the finest natural saltwater pearls. Other sources are the waters around Sri Lanka, Australia, Japan, Mexico, Panama, Venezuela and the Micronesian Islands.
These natural pearls are harvested from the Queen conch, a large marine snail with a heavy, lustrous shell which lives in the Caribbean and the Gulf of Mexico.
Unlike natural pearls, cultivated pearls do not begin as accidental intruders. First cultivated by the Chinese as early as the 12th Century, the process starts with nucleation.
Because natural pearls are so rare and difficult to recover from the ocean's depths, man invented the technique of culturing salt and fresh water pearls from mollusks carefully seeded with irritants similar to those produced by nature.
Both the natural pearl or cultured pearl are Birthstones for the month of June
Natural pearls take up to seven years to form, cultured pearls take up to four years to form
Organic Gemstone ...
Like fine natural pearls, the fine imitations should be wiped after use and carefully put away.
Unlike the natural pearls fresh water pearls are produced in mussels and are grown with human intervention. Whatever be its origin and the process it also provides the same level of happiness and brings pleasure just as the natural pearls do.
October 20: Natural Pearl
Made in America!!
This month’s featured stone is sure to appeal to the pearl lover in all of us.
Cultured and natural pearls can be distinguished from imitation ones by a very simple test. Take the pearl and rub it (gently!) against the edge of a tooth.
Cultured and natural pearls will feel slightly rough against a tooth, like fine sandpaper, because of the texture of natural nacre. Imitation pearls will feel as smooth because the surface is molded or painted over a smooth bead.
Peridot ...
Historically, natural pearls were extremely rare. Today, sadly, pollution and over-harvesting have made them virtually extinct. However, because pearls have always been coveted, attempts have long been made to increase production.
Winter 1959, A natural pearl with black spot in a circle, p. 357, 1p.
Spring 1960, A 17 x 14mm dyed black cultured pearl, p. 10, 1p.
Summer 1960, Testing Black Pearls (natural and dyed), by Benson, p. 53, 6pp.
The weight of a natural pearl is measured in grains, of a cultured pearl formerly by the momme. The size of a circular pearl is measured in millimetres.
Occurrence: Natural Pearls have been harvested from the Red Sea, Gulf of Manaar, and the Persian Gulf. The coasts of Australia and Polynesia produce mostly cultured pearls.
Oriental Pearl - Natural pearl
Ormolu - Gilded bronze or brass mounts.
Oxidation - Chemical process to blacken or tarnish. Slphur and oxygen is used on silver.
Natural Pearl:A pearl created by nature, without man's intervention. Natural pearls are formed when at irritant, such as a grain of sand, is introduced inside of a mollusk.
Natural pearls are very rare (and valuable!), so the word "pearl" should be assumed as "cultured pearl" unless otherwise noted.
The two categories that Pearls fall into are Natural Pearls or Cultured Pearls. Natural Pearls are found in oysters and were formed without the help or influence of man.
There are many types of pearls, including natural pearls (made with no human interference), cultured pearls (pearls made by inserting a bit of a mother-of-pearl) into [nucleating] a living oyster or by inserting a bit of foreign tissue), ...
Natural pearls are a product of nature and cultured pearls are a product of nature helped by science.
In a cultured pearl, the irritant is placed there by the pearl farmer; in a natural pearl (extremely rare), the irritant occurs naturally. Thus, both cultured and natural pearls are genuine pearls! ...
Cultured Pearl: A means of duplicating the organic process of natural pearl creation invented by Kokichi Mikimoto circa 1893.
A natural pearl starts out as a grain of sand or microscopic worm that works its way into an oyster and cannot be expelled. To protect its soft body from this irritant, the oyster secretes a smooth, hard crystalline substance called nacre.
Abalone Pearl: A natural pearl cultivated from an abalone, which is a marine gastropod of the genus Haliotis having an ear-shaped shell with a row of holes along the outer edge.
Pearls which have been seeded by man, mimicking the natural pearl process in live mollusks. A pearl is formed as a result of implanting a piece of mantle from a mollusk into another host mollusk.
Natural pearls are extremely rare. Almost all pearls on the market today are cultured by man. Cultured pearls come in a wide range of colors. The should be relatively free from skin blemishes. The more perfectly round the shape the better.
A means of duplicating the organic process of natural pearl creation invented by Kokichi Mikimoto circa 1893.
Types of pearls include: Natural Pearls are made with no human interference; Cultured Pearls made by inserting a bit of a mother-of-pearl or foreign tissue; Baroque Pearls are irregularly-shaped pearls; ...
Most pearls for sale at present are cultured but auctions often still sell jewelry with natural pearls
Special types: Melo melo, Conch, Horse ...
Created through a process mimicking the natural pearl process in live mollusks.
Fine natural pearls are much more expensive and rare to find than cultured pearls. Never dip jewelry with pearls into a jewelry cleaning solution unless it specifically says that it is safe for pearls.
Consider luster and, in natural pearls, orient. This is the deep inner glow that makes pearls so special. The deeper the glow, the thicker the nacre.
Check the quality of stringing. Observe the meeting point of the pearls.
Natural pearls are rare and very expensive, choose instead freshwater or cultured pearls that are grown naturally on pearl farms. Pearls are exquisite as earrings, necklaces, and bracelets and come in every color of the rainbow.
Created through a painstaking process of mimicking the natural pearl process in live mollusks. A pearl is formed as a result of implanting a piece of mantle from a mollusk into another host mollusk.
D
Diamond ...
 See also: Natural, Pearl, Jewel, Pearls, Color
|
