This unusual Black Gypsum specimen is from La Rioja, Spain. The black colour is caused by inclusions of carbon and lignite. You will receive the exact Gypsum crystal pictured. Gypsum is a family of crystals that includes the well known Selenite and Satin Spar varieties, amongst others such as Desert Rose. Gypsum Healing Properties include: Stimulating self improvement Known as the Lucky Stone Helps to pull you out of a rut