Thank you for viewing this listing for "Hokutolite [Genuine Akita Prefecture] from Tamagawa Onsen." ☆ Offering for sale Hokutolite with attached material, 66 grams (set of 2), as shown in images 1-13 ☆ Both pieces have matrix rock on the back. The front is densely covered with radiation-emitting components, and a radiation level of 5.633 microsieverts was confirmed. Due to the attached material, the price is set low. The Geiger counter reading is a standard value, but since the combined surface area of the two stones is large, the total radiation emitted from the stones is considered significant. You are welcome to have it authenticated anywhere!!! This is 100% genuine Hokutolite from Tamagawa Onsen. ★★★《Important Notes》★★★ The Geiger counter in the product images is an Inspector Plus, a measuring instrument with high sensitivity for detecting alpha, beta, gamma, and X-rays, making it ideal for mineral measurement. Recently, there have been counters that only detect gamma rays, or only beta and gamma rays, and naturally, these will measure lower values than the Inspector Plus. Please confirm the detectable radiation types before measuring. ◆ The seller, born in Akita Prefecture, is offering a portion of the Hokutolite left by their great-grandfather. ● The power of Hokutolite is invisible and expensive. While there may be various concerns about purchasing, we guarantee that this is genuine Hokutolite. We will measure the radiation level just before shipping and record a video, which will be provided. * We can also lend you a Geiger counter and measure the radiation in front of you, then hand it over. This service is possible because it is absolutely genuine. "Hokutolite" is a very rare mineral found in only two places in the world: "Tamagawa Onsen, Akita Prefecture" and "Beitou Hot Spring, Taiwan." People from all over the country visit Tamagawa Onsen in Akita for rock bathing for therapeutic purposes. ▲ The radiation emission power of Hokutolite continues for over 1000 years. ◎ Shipping Method "Yu-Packet Plus" anonymous shipping only. You can use the package tracking service. You don't have to worry about "I paid, but the Hokutolite didn't arrive!" ◎ Other ・ Please forgive slight errors in scale. ・ We will accept complaints if there are any false statements in the description, but otherwise, please understand that no claims or returns are accepted. ・ We usually ship within the next day, but it may take 3-7 days. ・ Please report receipt after arrival. If the transaction was good, please leave a good rating. I will also give a good rating for a good transaction.