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Articles made from precious metals and often set with gemstones that are worn on the body for personal adornment.

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Jewelry > Gemstones

lab created

Fashion; General jewelry

efers to gemstones created in a laboratory rather than by nature. A lab created gemstone is typically the same material chemically as its natural counterpart, as in the case of ...


Fashion; General jewelry

he science and art of cutting and polishing gems to their finished state.

loupe clean

Fashion; General jewelry

gemstone is said to be Loupe Clean when no inclusions or defects are visible when the gem is viewed with 10 times magnification. See also Eye Clean.


Fashion; General jewelry

he outward appearance of a gem or organic material. The quantity and quality of light that is reflected from the surface of a stone. Luster is important especially when evaluating ...


Fashion; General jewelry

he marquise shape is an elongated oval with points on both ends. Said to be named after the Marquise de Pompadour, the mistress of King Louis XV.

metallic (luster)

Fashion; General jewelry

ne of the technical terms used to refer to the luster of a gemstone. A gemstone that is reflective like polished metal is said to have a metallic luster. Hematite is one of the ...

mohs hardness scale

Fashion; General jewelry

umerical scale ranging from 1 to 10 developed by Friedrich Mohs that assigns a rating to a gem according to its ability to resist scratching. The hardest is 10 (diamond) and the ...