24 hour deal- gem bi-color tourmaline crystal from the Himalaya Mine, Mesa Grande, California. Ex. University of Arizona Mineral Museum (has label). Measures 37.4x14.4x14.3mm and weighs 15.9 grams. Take it for 500 shipped in the US for the next 24 hours, post will be removed then. Great deal for this piece, I will not offer it for less. Thanks!