Taiwanese Hokutolite Bracelet 6mm Measured for negative ions and radiation. We also carry a wide selection of radium products, including Bad Gastein stone and Himekawa Yakuseki. *Each piece is carefully crafted by professional artisans. *Made with strong Mobilon rubber (thick single-strand rubber). Please let us know if you prefer Operon rubber (thin rubber strands bundled together). 【Specifications】 Bead size: Approximately 6mm Inner diameter: Approximately 17cm (±5mm) *Size adjustments are available. We will provide a new price estimate based on the size, so please let us know in the comments section. 【Radiation Level】 Approximately 4-6μsv (Please note that the radiation level is not constant due to the natural nature of the mineral.) 【Taiwanese Hokutolite】 A rare stone found only in Beitou Hot Spring in Taiwan and Tamagawa Hot Spring in Akita Prefecture, Japan. Designated as a natural monument in Japan in 1922 and a special natural monument in 1952, mining is currently prohibited. This product is Hokutolite purchased from a Taiwanese vendor who owns a factory that processes the raw stone. It is said to have health-promoting effects by emitting radiation due to its radium content. Hokutolite contains radium, and due to the hormesis effect, it is said to be a "doctor-free" stone that is good for health, and it is often featured in the media for generating negative ions. Hokutolite commonly sold as round beads is processed with Hokutolite powder/small pieces using ceramics, but this does not affect the stone's effectiveness. *Notes before purchasing* *We try to photograph the product in colors as close to the actual product as possible, but the colors may appear different depending on your monitor or smartphone. Please understand. ----------------------------------------------- #Naturalstone工房北投石 (Natural Stone Workshop Hokutolite) Click here for a list of other Hokutolite products we have for sale. -----------------------------------------------