Long prized for its unique purple color, Amethyst ranks high among semi-precious gemstones. It is a variation of Quartz and gets its purple color from the presence of iron in the mineral. It is found lining the inside of Geodes. The clarity, color, and location of origin determine its worth. From sleek rounds, faceted rondelles, to briolette drop beads, Beadaholique.com carries a wonderful assortment of this gorgeous stone.