Amethyst (Rough, Dyed, & Points)
Amethyst is the official birthstone for February as adopted by the American National Association of Jewelers in 1912. It is also the birth stone for the Zodiac sign of Pisces. Amethyst is suggested as a gem to give on the 4th, 6th and 17th wedding anniversaries.
Amethyst is the purple variety of quartz and the most valued member of the quartz family. It must be purple to be amethyst, but it can display a range of shades including deep purple, light lilac, lavender and mauve. Top quality amethyst is a deep medium purple with rose-colored flashes. Its purple color made it a stone of royalty for many thousands of years.
Amethyst can occur as crystals that are six sided on either end. It also forms as drusy, which are crystalline crusts covering the host rock. It is found inside geodes and in alluvial deposits all around the world and occurs in both crystalline or massive forms. When manganese is present in clear quartz, amethyst is produced, while the amount of iron contained in the specimen accounts for the depth of purple.
Throughout history amethyst has been used to guard against drunkenness and is thought to be helpful in overcoming addiction. It has been used for hearing disorders, insomnia, headaches and other pain. Some sources suggest it is used to stabilize mental disorders.
Worn to make the wearer gentle and amiable. Amethyst "powers" are said to include include: dreams, healing, peace, love, spiritual upliftment, courage, psychism, protection against thieves, and happiness.