Imitation Pearls - JewelInfo4u
By:Binasaji
Summary: It is strange but when a real pearl is seen under a lens it has a smooth surface unlike in the tooth test where it feels gritty.
Imitation Precious Stones: Paste Gems
The practice of creating imitation precious stones out of glass, called paste gems, the types of glass used, and the differences in refraction, hardness, and lustre ...
Diamond Imitations
Although this chapter does not really belong in a Handbook of Diamond Grading, some of the most important diamond substitutes and their properties should be mentioned and short hints given to help to differentiate between them.
Imitations: are artificial materials which look like a real stone, but have entirely different chemical compositions. Colored glass was used to mimic many real stones in the past, and is an imitation of everything except obsidian.
Imitations
It seems strange that marcasite should have imitations, as it is inexpensive, but glass, steel and plastic have all been used as imitations.
Imitation Lapis Lazuli
A lapis imitation known as "Swiss Lapis," or German Lapis" is created from dying paler varieties of chalcedony, ironstone or quartz jasper with ferrocyanide.
Imitation gemstones
Also known as simulants, imitation gems don't have the same properties (i.e. optical, physical, and chemical etc.) as natural gemstones but resemble the natural gemstone they imitate.
Imitation pearls
Pearls manufactured to look like natural or cultured pearls. Various types exist. Solid or hollow glass beads coated with pearl essence derived from fish scales are one type, whilst lacquer covered beads are another.
IMITATION PRODUCTS-SIMULANTS (SUBSTITUTES)
IMIT
"IMIT" is the tag code used for a manufactured product fabricated in such materials as glass, ceramic or plastic designated to imitate or resemble the appearance, ...
Imitations
Faux pearls have been around for a long time and can consist of a variety of materials such as glass, plastic or shell with various surface treatments meant to simulate the pearl's luster.
Imitations. Demantoid garnet has never been synthesized, but a number of imitations exist. These include green glass and green YAG.
Imitation
Imitation gemstones can be anything that resembles a natural gemstone but does not have the same physical characteristics or chemical composition. These items are usually much less expensive than the natural forms.
Imitation
Imitation is any diamond like material, either natural or artificial, which imitates a diamond. It is also known as simulant.
Imperfect ...
imitation pearl
A material that simulates the appearance of a natural or cultured pearl, but does not possess its physical properties ...
Imitation Gemstone
Material that has the outward appearance of the gem it is intended to imitate, but which has different physical properties.
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Imitation:
Constructed to look like the genuine article whether it be gem or metal, but lacking the crystal structure and chemical composition.
Insert: ...
Gold Imitation An alloy of zinc, tin and copper that results in a yellow the color of gold.
Granulation One of the oldest jewelry design techniques, dating to 2500 BC. Tiny grains of gold or other metal are stuck to a surface as ornaments.
Imitation pearls must be referred to as "simulated," "artificial" or "imitation." Terms like "faux pearl," "mother of pearl" or "fashion pearl" cannot be used to describe an imitation pearl.
Imitations of ancient gem carvings were exceedingly popular with the Georgian and Victorian consumer. The inventory of engraved and carved gemstones of the past was more accessible to Victorian gem carvers than one might think.
Imitation pearls are a totally different story: a glass bead is dipped into a solution made from fish scales; this coating is thin and may eventually wear off. The island of Mallorca is known for its imitation pearl industry.
PEARL WATERS ...
Imitation or Synthetic Pearls are not real Pearls, however they are still used by some jewelry manufacturers because of the higher costs of natural and Cultured Pearls. Imitation pearls are common in marcasite jewelry and are sometimes set in gold.
Imitation Rhodium: a non-tarnishing, low cost white metal that has fair wearability.
Karat: indicates purity of deposit. 24kt consists of 100% gold; 18kt, 75% gold; and 14kt 58.3% gold.
Imitation Gemstones
They have the same basic chemical compositions, colors, and characteristics as a natural gemstone but are made from synthetic spinel or synthetic corundum. Common imitation gemstones are ruby, opal, sapphire and emerald.
Imitation or fake pearls are also widely sold in inexpensive jewelry, but the quality of the iridescence is usually very poor, and generally speaking, fake pearls are usually quite easy to distinguish from the real thing.
Imitation Pearl: Simulated pearls made by humans or machines. Imitation pearls are usually either too heavy (inside is filled with glass) or too light (inside is plastic).
Inclusions: Any and all internal flaws naturally occurring in gemstones.
Imitation pearls are constructed from a wide variety of beads (plastic, wax, glass, composite materials) that are coated with substances having pearl-like lusters. One such substance, called pearl essence or essence d'orient is made from fish scales.
Imitation Stones...Substances used to look like a genuine. ie: glass, plastic, etc.
Inclusions...Solid, gaseous, or liquid material of various types incorporated in a crystal during its formation and growth.
Imitation of natural or rock crystal.
Aventurine
Translucent greenish quartz mineral. Often mistaken for Jade.
Imitation of the mottled brown and yellow color found on tortise shells.
Slide
An ornament that can be slid onto another piece of jewelry such as a necklace.
Imitation diamonds that are made of diamond like material, either natural or synthetic. Marketed to look like real diamonds. Examples include CZ, GGG, moissanite etc.
Single cut ...
Imitation pearl. Alabaster bead covered with an iridescent substance (isinglass, shiny oyster flakes, mother-of-pearl powder).
Rope
A necklace longer than opera-40"+ or 1 meter or longer.
Imitations
Any gemstone or diamond that does not have the same chemical composition as the stones they resemble are imitations. They may be made by nature or man. For example, red glass can be a man-made imitation for ruby.
Imitation pearl
An imitation pearl is a man-made look-alike that may be produced from glass, plastic, or some other inexpensive material. It is sometimes called a faux pearl.
Imperial Jade ...
An imitation gemstone made of leaded glass, used to describe any imitation gemstone
Pave
A style of gem setting where the stones are set very close together with a minimal amount of metal showing between them ...
(c) Imitation Pearl: A manufactured product composed of any material or materials that simulate in appearance a pearl or cultured pearl.
(d) Seed Pearl: A small pearl, as defined in (a), that measures approximately two millimeters or less.
While imitation systems exist, Mikimoto literally sets the standard for grading the quality of cultured pearls.
The Mikimoto pearl grading scale illustrates the system, with AAA representing the very highest quality.
Beware of imitation - magnetite. A real, natural magnetite has a dull structure, doesn’t glow and the magnetism isn’t too strong.
People with a pacemaker should never wear or use magnetite ! ...
Synthetic Imitation And Treated Gemstones
Gemstones Of The World
The Jewellers Directory Of Gemstones ...
A real or imitation pearl with a metal ring attached for suspending from a piece of jewellery.
PEARL ENHANCER ...
A term for imitation gemstones. Fine jewelry was often imitated in finely made copies to protect the wearer from theft, and these were referred to as "paste".
Patina ...
Doublets
An imitation gems where one layer of natural stone is glued or cemented with a second layer of synthetic stone or stone of lower quality.
Doubling
Seen on double refractive gem when viewed, like inclusions, facet edges and scratches.
Turquoise and Imitation Coral
Tammy Powley
Coral and turquoise are often combined in jewelry designs. There is no denying the beauty of coral, and in fact, it looks great with turquoise.
French Ivory: Imitation ivory molded from plastic such as celluloid.
French Jet: Glass that is black in color and made to look like real jet. It is heavier than real jet and is sometimes carved.
Firestone is an imitation iridescent rainbow quartz. It is made by heating rock crystal until it crazes; it is then put into dye as it cools.
FLAW ...
Endless supply of imitation pearl and costume Jewelry Pearls are storming the market. Pearls are available in many hues, lengths and styles and wear them with your little black dress for many distinct looks.
Austrian crystal
Imitation of natural or rock crystal (quartz). see also CRYSTAL.
aventurine
Transluscent greenish quartz mineral, internally granular. Often mistaken for jade, another stone of a green color.
Drilling, boring, imitation Pearls and more
How to valuate Pearls
Method of computing value of Pearls in Madras ...
Faux
A term meaning imitation. For example, "faux pearls" is often used to describe simulated pearls.
Simulated stones: Imitation stones of glass, paste or plastic.
Sister Hook: Two overlapping metal hooks hinged to form a heart outline when open. Used as a clasp. Photo and additional information.
Fake amber is easily made from plastics, and buyers must beware of cheap imitations sold as natural amber. Amber has a hardness of 2.5 and a specific gravity of 1.05-1.10.
An unmeltable transparent and easily colored plastic discovered by Leo Baekeland in 1909 BaroqueAn irregular, rounded stone, glass or bead; also, an imitation pearl with an uneven or craggy shape and/or surface.
This plays a major role in identifying gems, and can easily distinguish between an imitation gem that has properties almost identical to the real thing. A spectroscope is used to determine the absorption spectra of a mineral.
Imitation:A man-made substitute for a valuable gem or metal that lacks the natural crystal or chemical composition of the original.
Reconstituted turquoise: Most "recon" turquoise is entirely manmade, although sellers of imitation plastic block material often describe their product as "reconstituted" (turquoise powder mixed with small pieces of stone, ...
Synthetics, glass, plastic and other imitations do not qualify as gems. Geometric Style: A style of jewelry design that reached its zenith in the 1920s-1930s.
One of the earliest imitation materials known was used before 4777 BC and was still used during the Roman period until about 51 BC. This was glazed soapstone dyed blue and green, a form of faience.
SPINEL - The Natural GEM, - NOT just a synthetic imitation
It is unfortunate that most people associate the name "spinel" with cheap synthetic stones and "birthstone imitations" as are typically sold jewelry stores.
Glass imitation of natural or rock crystal (quartz)
Aventurine Earrings
by TheBrassHussy
Aventurine
The gemstone Aventurine is a form of chalcedony and a member of the Quartz family, along with Amethyst, Carnelian and Citrine.
Cheap glass imitations will have as few as nine table facets and the cut is often asymmetrical.
A diamond's gem quality, which is not as dependent on material properties as industrial applications, has invited both imitation and the invention of procedures to enhance the gemological properties of natural diamonds.
 See also: Stone, Jewel, Color, Gemstone, Natural
  
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