Probably the most well known and popular member of the quartz family, amethyst is recognized for its signature deep purple hue. As far back as ancient Egypt, royalty and highborn lords wore it as a most prized gemstone. Depending on its source, amethyst can range from a dark purple color to a more red tone with hints of purple within.it has associations with sobriety and decency, as well as being believed to encourage good quality sleep and to act as a detoxification aid.