Welcome to "Hokutolite [Genuine from Akita] from Tamagawa Onsen"!! ☆ This is a sale of 300 grams of Hokutolite, as shown in images 1-11. These are "B-grade" Hokutolite, with characteristics such as being thin, small, having unique colors and shapes, and with some of the matrix remaining. The radiation level is excellent✨, making it perfect for those who prioritize function over appearance☆ You are welcome to have it authenticated anywhere!!! It is 100% genuine Hokutolite from Tamagawa Onsen. ◎ The maximum radiation level confirmed was 11.87 microsieverts. The aggregate of small Hokutolite stones has a high radiation level. You can assume that the radiation level is determined by the amount of stone. Because there is a large amount of stone, many stones are overflowing from the Geiger counter, and it cannot be measured all at once. The total radiation emission is much, much higher. ★★★《Important Notes》★★★ The Geiger counter in the product image is an Inspector Plus, a measuring instrument with high sensitivity to alpha, beta, gamma, and X-rays, making it ideal for mineral measurement. Recently, there are counters that only detect gamma rays, or only beta and gamma rays, and of course, they will measure a smaller value than the Inspector Plus. Please check the types of rays the counter can detect before measuring. ● The power of Hokutolite is invisible and expensive. You may have various concerns when purchasing, but we will measure the radiation level right before shipping and record a video, which we will provide if requested. ＊ We can also change the shipping method to hand delivery, lend you a Geiger counter, and measure the radiation level in front of you before handing it over. This service is possible because it is absolutely genuine. ♨ There are many notices about Hokutolite at Akita Tamagawa Onsen. People from all over the country visit for rock bathing for therapeutic purposes. We have posted several images of the site. ▲ The radiation emission power of Hokutolite continues for over 1000 years. ◎ Shipping Method "Yu-Yu Mercari Delivery" anonymous shipping only. You can use the package tracking service. You don't have to worry about "I paid for it, but the Hokutolite didn't arrive!" ◎ Other ・ Please forgive slight errors in the scale. ・ No claims or returns unless there are false statements in the description or images. ・ We ship most items by the next day. It may take 4-7 days. ・ Please report receipt after arrival. Please give a good evaluation for a good transaction. I will also give a good evaluation for a good transaction. ☆ We are listing various products. Please take a look.