Extremely rare! ✨ [Takeishi] Nagano Prefecture Origin, Raw Stone, Takeishi 7 Thank you for viewing! ✧ This is the ultra-rare [Takeishi] ✨ Features: This rare and valuable mineral is formed when the sulfur component of pyrite is removed, and it transforms into limonite while retaining the crystal shape of pyrite ✨ Please check the photos. See photos 4-7 for size reference, and photo 3 for the appearance of other sides. Shipping and Notes: ⚠ Please be sure to check the profile before purchasing. ・Colors may appear different depending on your viewing environment. ・Handle with care as it may break due to impact. ・Returns or exchanges due to customer reasons, such as incorrect size, are not possible. Please confirm before purchasing. The items on sale have been carefully cleaned, but if you are concerned, please confirm before purchasing. I also have many other minerals, fossils, and other items for sale, so please take a look from #muumuufactory if you like. If you have any questions, please feel free to ask (^o^)