9 Terms
Contributors in Gemstones
Gemstones
Irradiation
Fashion; General jewelry
Xposing gemstones to radioactive rays from x-rays or other material to change or enhance the original color. Blue topaz is always irradiated, for example.
Karat
Fashion; General jewelry
Arat (as distinguished from Carat) is a measure of the purity of gold. Most gold jewellery is actually made from a gold alloy containing gold and another metal or metals. 18K gold, for example, is ...
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 ...
Facet
Fashion; General jewelry
He cut and polished flat plane of a gemstone. There can be dozens of facets on a stone.
Fancy cut
Fashion; General jewelry
Ometimes used to refer to a gemstone cut in any shape other than the standard round cut, but also used to refer to gemstones that are cut in a shape other than the well known shapes of round, oval, ...
Fire
Fashion; General jewelry
He rainbow or colours that light rays form as they move through a gemstone. This is another word for "dispersion".
