amethyst adj : of a moderate purple color n : a transparent purple variety of quartz; used as a gemstone

Amethyst \Am"e*thyst\, [F. ametiste, amatiste, F. am['e]thyste, L. amethystus, fr. Gr. ? without drunkenness; as a noun, a remedy for drunkenness, the amethyst, supposed to have this power; 'a priv. + ? to be drunken, ? strong drink, wine. See Mead.]
1. (Min.) A variety of crystallized quartz, of a purple or bluish violet color, of different shades. It is much used as a jeweler's stone. Oriental amethyst, the violet-blue variety of transparent crystallized corundum or sapphire.
2. (Her.) A purple color in a nobleman's escutcheon, or coat of arms.

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Amethyst is a violet variety of quartz often used in jewelry. The name comes from the Ancient Greek ἀ a- ("not") and μέθυστος methustos ("intoxicated"), a reference to the belief that the stone protected its owner from drunkenness; the ancient Greeks and Romans wore amethyst and made drinking vessels of it in the belief that it would prevent intoxication.

Amethyst is the violet variety of quartz; its chemical formula is SiO2.

In the 19th century, the color of amethyst was attributed to the presence of manganese. However, since it is capable of being greatly altered and even discharged by heat, the color was believed by some authorities to be from an organic source. Ferric thiocyanate has been suggested, and sulfur was said to have been detected in the mineral.

The color in amethyst is due to irradiation, which caused the iron ions present as impurities in quartz to rearrange themselves in the crystal lattice affecting the color in a reversible process. Synthetic amethyst is thus man-made by gamma-ray, x-ray or electron beam irradiation of clear quartz which has been first doped with ferric impurities.

• Meaning: Jewel
• Origin: Greek
• Gender: Female

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