Type: Domestic mineral, Nishiki-koseki from Sado. This is a raw stone (shoshin-seki) that is currently difficult to obtain. #RedBallStone #Suiseki #RedStone In the first photo, height is about 40mm, width is about 45mm, depth is about 40mm, and weight is about 144g. When water is applied, the color changes to the color when polished. Water basin and sand are not included. Sado Nishiki-koseki is characterized by its beautiful color, which is mainly red. Even if you search, most of them are polished stones, and raw stones (shoshin-seki) are almost non-existent and extremely valuable. It is beautiful from any angle, and a stone like this is unlikely to exist.