Unique and rare specimen of Amethyst Cactus Quartz or Spirit Quartz as some call it or as others call it Magelisburg Quartz from Kwa Ndebele, South Africa.This particular piece is an amethyst with citrine crystal cactus quartz variety. This specimen formed first as a larger crystal plate and at a later time a second generation of amethyst and citrine and clear quartz formed on the first crystals giving it a pointy knobby or cactus-like appearance these being sometimes called the salt and pepper cactus. Photos of this type of specimen can not do it justice. The term Spirit Quartz refers to those interested in the metaphysical properties this variety displays and is said to have the greatest power and energy.Shipping in the US mainland will be FREE by USPS first class.