Richer and deeper than Brazilian Amethyst, African Amethyst displays a wide range of purple shades. Colored by iron, Amethyst is a type of quartz that gets its color from iron.
Amethyst crystals are formed in large geodes that are found in rock cavities created by volcanic gas bubbles and are bound between granite intrusions and volcanic sediments.
Since the 1800s, huge discoveries of Amethyst deposits have made Amethyst somewhat inexpensive and easy to obtain. Deep violet and red or blue flashes are the most valuable. Rutilated Amethyst is a rare form of Amethyst that contains goethite, not rutile.
* Scientific proof may not be available to substantiate these claims.