Green Amethyst or Prasiolite's cheerful spring green color is produced by heat treating pale lavender Amethyst. This stone is also marketed under names such as green quartz, or lime citrine. Green Amethyst is a sturdy gem, which makes it highly suitable for everyday wear. Green Amethyst is reputed to facilitate a connectedness of the spiritual and physical aspects of life. The name Prasiolite is also used for Lemon quartz as it too is another shade of heat treated Amethyst.