These are the SUPER nice Polished EDGE Amethyst, they cost a little more. However their are none finer around. Weight (oz): 2.9# Weight (grams): 1280 grams Size (inches ): 4.9" h x 3.6"w Size (mm): 125mm x 91mm Mine location: Aritgas, Uruguay. Completely NATURAL color, no enhancements. 100% NATURAL Retail value: $600 in stores These are FREE STANDING with a flat bottom. So they look great on a shelf. Description: Amethyst is a violet variety of silicon dioxide. The reason it is violet colored is because it has iron impurities and trace elements. Amethyst is a semiprecious stone and is the traditional birthstone for February. Historically Amethyst is given as a gift on the 17th wedding anniversary, in modern times, it given on the 7th anniversary. In ancient times, Amethyst was the stone of royalty.
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