Natural pearls

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Prior to the 19th century, when they were superseded in price by diamonds, natural pearls had, throughout history, been valued above all other gems.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 ...

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.

Gem-quality natural pearls are rarely found today. However, you can still find them in estate sales, auctions and in your grandmother's jewelry box.

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 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 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 formed when a foreign object enters a mollusc such as a mussel or oyster. The organism coats the object with a substance called nacre, and over time the layers of nacre form what we know as the pearl.

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 pearls found in the Persian Gulf, Red Sea, or Gulf of Myanmar. Also, can be referred to a pearl occurring naturally in saltwater.
Overtone
Overtone refers to the presence of secondary colors to a pearl body color.

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, ...

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.

Tiny natural pearls weighing under 1/4 grain, usually less than 2 mm in diameter.
Semi Mount ...

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.

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.

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.

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.

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 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.

The rare perfect sphere of natural pearls, lustrous as silk and round as a full moon, has for many centuries been a prized possession and signifier of wealth.

The most historically important source for fine natural pearls is the Persian Gulf, where pearl oysters were once found in great abundance off the coast and islands of present day Bahrain.

Natural pearls are a product of nature and cultured pearls are a product of nature helped by science.

There are two types of Pearls: Natural Pearls, formed inside wild oysters, practically impossible to find nowadays, and Cultured Pearls in which the production of the pearl is artificially induced.

Natural pearls take up to seven years to form, cultured pearls take up to four years to form
Organic Gemstone
Color: White, pink, silver, cream, golden- colored, green, blue, black
Transparency: Translucent to Opaque
Hardness: 2.5 to 4.

Orient pearl is the technical term for genuine pearls and/or natural pearls that form inside oysters without human intervention.

Generally speaking, natural pearls are not widely available due to years of over-fishing and the great demand for perfectly round pearls for use in jewelry.

Cultured Pearls - Like natural pearls, cultured pearls grow inside a living organism. However, they do not begin as accidental intruders to the shell. Instead, humans insert mother-of-pearl beads or other shapes into a mollusk.

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 ...

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.

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), ...

that natural pearls are.
The difference is that an irritant
such as a piece of shell is planted
in the body of the oyster where,
after several years, a substance
known as nacre is deposited
layer after layer over this irritant.
The result is a pearl.

Pearls are one of the gems where place of origin does make a difference in pricing. In general, natural pearls - which are nearly non-existent - will command the highest price, followed by South Sea pearls, Tahitian pearls, ...

X-ray photographs are sometimes used, as in the separation of natural pearls from cultured pearls, and x-ray diffraction techniques are used in advanced laboratories.

Queen of the Gems - Before the creation of cultured pearls in the early 1900's, natural pearls were so rare and expensive that they were reserved almost exclusively for the noble and very rich.

The term cultured pearl is used to differentiate between natural pearls, and those created through the intervention of man. Cultured pearls may come from fresh-water or saltwater sources.
curb-link chain ...

GRAIN
A grain is a unit of weight used for diamonds and natural pearls. Four grains are equal to one carat.

GRAIN
A grain is a tiny sphere of metal.

A univalve mollusc known for its iridescent natural pearls.

Adamas ...

Gemphora Premium Gemstone Beads - Wholesale prices on precious and semiprecious stone beads, natural pearls, metal findings, and other luxury jewelry making supplies.

Luster is created by tiny crystals of nacre built up over the irritant. Natural pearls tend to have thicker nacre than cultured pearls, hence deeper luster. Dahlia pearls have thicker nacre than most other cultured pearls so our luster is very high.

Thus, both cultured and natural pearls are genuine pearls! Viridian Gold does not offer imitation pearl jewelry. Mother of Pearl is the nacre which lines the inside of the oyster or mollusk shell, and is often used in jewelry and jewelry boxes.

Most natural pearls form when an irritant - such as a parasite - enters the oyster and attacks it. The oyster surrounds the intruder with epithelial cells, forming a sac, and then secrets a mixture of nacre and conchiolin onto it.

The least expensive cultured pearl product today rivals the quality of the most expensive natural pearls ever found.
TV Schedule
Teachers
Shop NOVA ...

The Pearl Oysters come from a different family, the Pteriidae (Winged Oysters). Both cultivated and natural pearls are obtained from these oysters, though some other mollusks, for example freshwater mussels, also yield pearls of commercial value.

created some of the most famous emerald jewelry, mostly in the Art Deco style, for the Indian Royalty during the 1920's. This Sautoir (1925) has fifty carved emerald beads weighing an estimated 517 carats, with platinum/diamonds and natural pearls.

With the marvels of science, this process has been reproduced using human intervention to create "cultured" pearls. Natural Pearls are made with no human intervention.

as, nuggets, dog tooths, wings, hammers, twins, barrels round-a-circle, and rosebuds. The baroques are becoming popular for use in the manufacture of rings, earrings, and pendants. Cultured pearls come in all of the same colors as natural pearls.

See also: Natural, Pearls, Natural pearl, Pearl, Jewel