A type of igneous rock quarried on the coast of Itoigawa City Niigata Prefecture, this stone has a long history of use in Chinese medicine, where it has been called tiger stone for treatment. It is said to be good to hold Himegawa Yakuseki when you are sick, and it is believed to improve immunity.

*Each item here is handmade by craftsmen one by one. Therefore, the shape and color may vary slightly. Please understand this in advance.