|Federal Trade Commission|
|Written by Administrator|
|Wednesday, 19 September 2007|
Federal Trade Commission (FTC). A
United States Government body that oversees interstate commerce and cooperates with representatives of various industries, including the diamond and jewelry trades, to promote trade-practice rules governing the representation to the public of the products of those industries.
felsic. (1) a mnemonic adjective derived from (fe) for feldspar and (s) for silica and applied to light-colored igneous rocks, e.g. granite. (2) Also applied to felsic minerals, e.g. quartz, feldspars, feldsphathoids, and muscovite. (3) Synonym for acidic; a misleading term used for light-colored igneous rocks. See igneous
ROCK; ACIDIC IGNEOUS ROCK; SILICIC.
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|Diamond Engagement Rings|