Its colour is as unique as it is seductive, though in fact this gemstone of all gemstones is said to protect its wearer against seduction. The amethyst is extravagance in violet. For many thousands of years, the most striking representative of the quartz family has been a jewel coveted by princes both ecclesiastical and secular. Moses described it as a symbol of the Spirit of God in the official robes of the High Priest of the Jews, and the Russian Empress Catherine the Great sent thousands of miners into the Urals to look for it. In popular belief, the amethyst offers protection against drunkenness - for the Greek words 'amethystos' mean 'not intoxicated' in translation. A more apt stone for the month of February, particularly if there is to be plenty going on in the way of carnival celebrations, could thus hardly be wished for. read more...
Zodiac gemstone for aquarius: garnet
Ancient traditional birthstones:
Hindu: chandrakankta (even the ICA can't help you with this one)
Guardian angel: barchiel
His talismanic stone: jasper
The custom of wearing birthstones probably first became popular in Poland in the fifteenth or sixteenth century. For more information about the history of birthstones, try The Curious Lore of Precious Stones by George Frederick Kunz , a fascinating compendium of all the powers that have been associated with gemstones through the ages. For example, birthstones originally may have been worn each month by everyone, since the powers of the gemstone were heightened during its month. If that is true, to get the full effect, you need to go out and get a full set of twelve and rotate them each year!