It is given as a symbol of sincerity, security, and peace of mind. Where Amethyst is purple, lilac or mauve. The highest quality is transparent. It has a hardness of 7. Clean your Amethyst in ultrasonic jewelry cleaner or with warm, soapy water and a soft bristle brush.
Amethyst often becomes paler if kept out in the sun.
Amethyst is sometimes heat treated to create Citrine. A. Whitney A romantic suspense novel. A masterful treatise of verse exploring the dark side of human nature. This book is really great for knowing he latest gems, synthetics, treatments, and instruments. Easy to use.