Here are three Himekawa medicinal stones, weighing approximately 1.9kg, collected in October 2025 from the Himekawa Jade Coast in Itoigawa City, where jade can also be found. After collection, they were washed with water, dried in the sun, and sterilized by boiling for about 30 minutes. About Himekawa Medicinal Stone: Himekawa medicinal stone is a natural radium ore produced and collected in Itoigawa City, Niigata Prefecture. The official mineral name of Himekawa medicinal stone is "rhyolitic tuff" and it is classified as quartz porphyry. In the Itoigawa area of Niigata Prefecture, Himekawa medicinal stones have been used since ancient times to treat injuries and illnesses by applying them to the affected area. In addition, processed Himekawa medicinal stones were used as wedding gifts, and locally, they have been affectionately known as "tiger stones" due to their appearance. Although unused, these are unprocessed natural stones. Please consider this with the understanding that they are natural stones. Thank you for viewing.