Amethyst is the purple variety of quartz and is one of the most popular gems. If it were not for its widespread availability, Amethyst would be very expensive. Amethyst is a widely used gem.
The name "amethyst" comes from the Greek word "amethustos" which means "not drunken."
In the first century, Pliny wrote that amethyst was so named for its color being nearly the same as that of wine. Early Greeks believed that drinking wine from an amethyst cup would prevent intoxication.
Amethyst and citrine are both verities of Quartz. The difference is color. But natural citrine, with its lovely transparent yellow to orange color, is extremely rare. So almost all citrine on the market is actually amethyst that's been heated to change its color.
Amethyst may be used to remove radiation the body stores on the sides of the head...such as from computers and such. Geodes of Amethyst are particualy good for this, just place the head next to it, you will then feel the radiation being drawn out.
Place on the 3rd eye and visualize yourself breathing in the color for total mental emotional soothing. It's a very good technique to do in bed before going to sleep.
It is a amazing all round healer and also a brilliant meditation crystal.