[GOLD STONE] Himekawa Yakuseki Bracelet, 10mm, Made in Itoigawa, Niigata Prefecture, Japan, Certificate Included, Inner Diameter: Approx. 17cm

It is mined in the Itoigawa region of Niigata Prefecture and parts of Toyama Prefecture. Rhyolite is a type of volcanic rock that emits trace amounts of radiation as a radium ore. Due to its low level of natural radiation, it has recently gained attention as a stone with potential for hormesis effects. Diameter: 10mm (0.5mm), Inner Diameter: 165mm As this is a processed natural gemstone, there may be dents or scratches on the grains. Thank you for your understanding.