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Prior to the 19th century, when they were superseded in price by diamonds, natural pearls had, throughout history, been valued above all other gems.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 crystal faces
Small unworked surfaces of the rough diamond are termed natural crystal faces (naturals); they occur in cut diamonds mostly beneath the girdle, occasionally also on the point.
of colours which has earned it the name of "chameleon stone". Its natural colour ranges from dark to pale green, but in the light may appear anything from red to yellow, to orange, to mauve even, depending on how the rays strike it.
Natural Color Diamonds
"...Gems are the flowers of the mineral kingdom and the fancy colored diamond is the orchid..." R.J. Haüy
Stand out in a sea of colorless, sparkling diamonds. Add color.
Natural Pearl Market
Todays Natural Pearl Market
By Kevin Canning ...
Natural untreated sapphires are rare and are mined in a way that will ensure a stable market and also secure future generations of sufficient deposits and supply.
NATURAL:
A tiny edge of the original rough diamond crystal that is left unpolished on the surface of the final, polished diamond.
Natural Diamonds, as the name indicates, are diamonds which originate in nature. Natural Diamonds are further classified into four categories depending on the type and amount of impurities in them. They are: ...
Natural rubies and sapphires, like scientific ones, frequently contain bubbles, but these are always angular in the natural stones, while those of the scientific stones are generally round or rounding, never angular.
The most valuable natural fancy diamonds have a distinct hue, darker tone, and vivid or strong color saturation. The more even and saturated the diamond is the more it is rare and valuable.
Natural, Enhanced, or Synthetic
Nowadays, we always have to consider whether any fancy coloured diamonds are naturally occurring mined diamonds, naturla mined diamonds which have undergone some form of colour enhancement, ...
Naturals
Naturals are traces of the natural crystal face of the rough diamond that are left behind by the diamond cutter to retain diamond weight.
Natural pearls form accidentally in the interior of molluscs without interference from man. Most pearls for sale at present are cultured but auctions often still sell jewelry with natural pearls
Special types: Melo melo, Conch, Horse ...
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 Materials
A Natural Material is any product or physical matter that comes from plants and animals used to make other objects or products.
Natural Formations
We sell clusters in quartz, amethyst, pyrite, and celestite.
Quartz Points Standard quartz points in various sizes, double-Terminated, gemini, channeling, tabular, and window crystals.
Natural fancy color diamonds get their coloring in different ways:
Trace elements in the diamonds can produce color; nitrogen creates a yellow diamond.
Naturals: part of the original crystal surface remaining on the polished stone, frequently in the area of the girdle.
Natural Gemstone
A mineral, stone or organic material that can be cut and polished or otherwise treated for use as jewelry.
Natural Gold Nugget Photos: Big Nuggets, Crystal Gold
Turquoise information
Zircon information ...
Natural: Part of the rough Diamond remaining on the Diamond.
Pavilion: The bottom part of the Diamond, below the girdle.
Pinpoints: Miniscule spots internal to a Diamond. A cluster of pinpoints can form a cloud.
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 history
Formation
The formation of natural diamond requires very specific conditions.
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 - A trade term for a portion of the original surface of a rough diamond left by the cutter when polishing and faceting a diamond. Naturals are usually found near the girdle of a diamond and are represented in green on a plotting diagram.
Natural: Gem formed without the assistance of humans.
Opalescence: A variety of iridescence that is most often light blue in color.
Natural History Sale at Bonhams & Butterfields
Shock & Auction ...
Naturals: Small parts of the original rough diamond's surface which are left on the polished diamond, frequently on or near the girdle.
Natural (N)
Gems that are, according to best available information, untreated.
Enhanced (E)
Gems that are treated.
Naturals
A Natural is a chunk of Natural Rock (the real Diamond) that wasn't Cut and Polished like the rest of the stone. It's usually caused by a crystal leaving a pit or cavity in the Facet (sort of like a knot in a tree). See image below.
Natural Agate (-052)
aka Multicolor Carnelian
This agate variety incorporates shades of butterscotch, orange, yellow and cream.
Natural
Portion of the original surface or skin, of a rough diamond which is sometimes left on a fashioned stone, usually on the girdle, to indicate that maximum yield has been obtained.
Pavilion ...
Natural: Small parts of the original surface of a rough diamond left by the cutter when polishing and faceting a diamond. They are usually found on or near the girdle. naked eye.
Natural: A diamond characteristic that is part of the surface of a polished diamond that was not cut or polished during the cutting process.
Natural - A trade term for a portion of the original surface of a rough diamond that is usually left by the cutter on a fashioned stone, usually on the girdle.
natural
A type of inclusion where tiny areas of unpolished surface of the original rough diamond remain on a polished diamond
pavilion
The part of a cut diamond that lies below the girdle ...
Natural pearl
A pearl that forms naturally, in an oyster, is known as natural pearl.
natural Often a cutter will leave naturals on the finished diamond for the purpose of weight retention.
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 freshwater pearls are seldom perfectly round or even nearly round, more often than not they are baroque, slugs, or wings. Many pearls, both natural and cultured, have beautiful color and luster.
Natural spinel can be distinguished from corundum using a polariscope; synthetic spinel cannot because it often shows anomalous double refraction (A.D.R.; see garnet notes). R.I. and S.G. are useful in these situations.
S.G. and R.I.
NATURAL Used to describe a gemstone which is Mined from the earth or a pearl that is created without the assistance of man.
Natural gemstones are created by natural processes within the earth.
Man-made, lab-grown (or laboratory), or synthetic gems are those created by any non-natural process.
Natural pearls are so rare to find in nature that most pearls sold today are cultured.
Natural zircon today suffers on account of the similarity of its name to cubic zirconia, the laboratory-grown diamond imitation. Many people are unaware that there is a beautiful natural gemstone called zircon.
Natural crystals often have irregularities and are distorted. From the 15th century on diamond cutters would grind material off the stone trying to smooth the crystal and introduce some symmetry.
Naturally yellow in color, gold will not tarnish. While it is strong, gold in its purest form is too soft for most jewelry uses and must be mixed-or alloyed-with other metals to increase its strength and durability.
Naturally occurring blue topaz is rare, and when it does occur the color is generally pale. The blue topaz that is on the market today has been treated with radiation to deepen and set the blue tones.
Natural Black Onyx is a brittle stone requiring care during cutting or carving.
Natural igneous rock formation usually characterized by a coarse texture caused by crystallization from an exceptionally fluid magma rich in mineralizers containing rare elements
Rarity factors - ...
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 - Any pearl that is not cultured. Any gemstone that has not been color or clarity enhanced.
Needles - Long, thin, inclusions in gemstones caused by gas within the crystal.
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 opal is a very soft stone which
should not be cleaned with
commercial jewelry cleaning compounds.
It is a porous stone which can absorb liquids
that can affect its color and erode the stone.
 See also: Stone, Color, Jewel, Gemstone, Jewelry
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