Type: Domestic mineral, Nishiki-koseki from Sado, Japan. This is a raw stone (shoshin-seki) that is currently difficult to obtain. The base is made of clay. #Red Ball Stone #Suiseki #Red Stone Height: Approximately 37mm, Width: Approximately 55mm, Depth: Approximately 30mm, Weight: Approximately 70g (stone only) The color changes to the polished color when water is applied. Water basin and sand are not included.