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 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 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 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.
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 ...
A term for imitation gemstones.
Pave Setting
A setting in which small stones are set as close as possible, so that the piece literally looks "paved" with stones.
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 ...
A misnomer for an imitation gemstone made of blue glass to simulate turquoise. An actual synthetic turquoise has now been produced.
From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson ...
Imitation Gemstone: A man-made stone designed to look like a natural gemstone, but having entirely different physical properties such as hardness and specific gravity.
TRIPLET - A technique of combining various or similar gemstones in three layers to create an imitation gemstone.
Thin metal leaf (typically gold or silver) that is used as a backing for imitation gemstones or faceted glass. Foil enhances brilliance and color.
The adding of a layer of metallic foil to the back of a gemstone to improve its color or brilliancy.
Plastic, glass, paste, natural organics, and compressed powders have been used to create simulants (imitation gemstones). There is another category which might lie between imitation and synthetic, and that is composite stones.
Jewelry: Ornamental adornments worn on the body composed of precious metals set with real or imitation gemstones.
Job Lot: A collection of merchandise sold in one group for use in a specific display or fixture.
FOIL: Silver, gold, or other color thin leaf of metal used to back imitation gemstones or faceted glass to improve their color and provide greater brilliance.
Adding enamels, imitation gemstones or small flowers called millefiori are also popular.
Bubbles
Bubbles can be found in glass, resins, and rarely in minerals. Bubbles are a good indication that a stone is glass, or an imitation gemstone.
There are even chances that you bring home some imitation gemstone in the name of a pure or rare kind of amethyst. So here lies the importance of knowing the gemstone of your collection in terms of their source of origin.
(c) It is unfair or deceptive to use the word "flawless," "perfect," or any representation of similar meaning to describe any imitation gemstone.
The materials utilized, in addition to gold and semiprecious stones, included base-metal alloys, paste (for imitation gemstones), steel, and cast iron. Techniques included mechanical processes for stamping and cutting out patterns and settings.
 See also: Jewel, Imitation, Gemstones, Gemstone, Jewelry
  
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