9 Terms
Contributors in Gemstones
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 corundum produced by ...
lapidary
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.
luster
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 the quality of ...
marquise
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 rare examples.
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 softest is 1 (talc).
