Yamanashi Prefecture Crystal Quartz Crystal Crystal quartz is the world's oldest power stone and is considered the most fundamental. There's even a saying in the world of power stones: "It begins with crystal quartz, and it ends with crystal quartz." Among them, domestically produced crystal quartz is extremely rare, making it very valuable. Since it's been stored at home, I'm offering it at a significantly reduced price. There are no noticeable scratches. It has holes and is likely a button cut. The size increases closer to the center, with a maximum size difference of about 3mm in diameter. ※ The tag in the photo is not included, but it was originally attached. 15mm〜18mm Height: 8mm 3g〜4g per piece 71g total 20 pieces