Beautiful Extra Large Amethyst Cathedral with well-formed crystals . 31" H by 10.5" w by 7" D . The most stunning quartz surrounds the center, with a crystal point coming out the top. The backside is painted charcoal gray, and is very clean with little to no imperfections.Self-supporting structure requires no additional stands An amethyst cathedral is a geode that has been cut in half and is tall and curvy in shape. Uses for Amethyst: Meditation: Sit with Amethyst and use it for meditation to enhance focus and spiritual insights. Feng Shui: Place it in your home to promote harmony and positive energy. Inner Wisdom: Amethyst can encourage introspection and self-discovery.