Amethyst is a variety of quartz purple color, typical of basaltic rocks, which has been since 3000 BC, in Egypt and in Mesopotamia, one of the gems are usually used for making jewellery and seals, as it was considered a sacred stone since ancient times.
The elegance of its color has made a royal stone amethyst is a fact very common to find this mineral in the royal crowns of different populations of the story.
The word amethyst comes from the greek "amethystos” which means "not drunken." A mythological legend says that Amethyst was a wood nymph that Bacchus, the god of wine, fell in love, but the girl to escape the unwelcome courtship, he turned to Diana, who transformed it into a clear glass.
Angered, Bacco overthrew him his cup filled with wine, thereby giving it a delicate violet color, with the power to protect against the effects of intoxicating drink dear to him.
The Greeks believed that it constituted an excellent remedy against the effects of alcohol and the Romans helped fuel this legend. A special label required behavioural fact diners to drink wine in crystal goblets every time the guest approached her lips.
But he was limited to drinking pure water in a goblet amethyst, whose purple highlights 'tinged' water giving it the appearance of the wine. So the guest could stay sober while his gentlemanly diners succumbed to the intoxication.
In the Middle Ages it was thought that the amethyst encourage celibacy and symbolize piety, it was very important in the ornamentation of Catholic churches. In particular, it was considered to be the stone of bishops, and still often wear amethyst rings.
The colors of amethyst varies from pale lilac to deep purple. Pale colors are called "Rose de France" and are often seen among the jewels Victorians. The colors are more intense but specimens finest.
Her beautiful purple color, however, has an enemy, prolonged exposure to the sun, in fact, it causes blanching. Its toughness is equal to 7.
Its use is still mainly aimed at the production of jewellery, or cups. The main deposits of this mineral are found in Brazil, Uruguay, Bolivia, USA and in several African countries.