Material: Contains seven minerals of Super Seven. Stone size: 6.8mm, with some variation. Inner diameter: Approximately 5cm, with some variation. As natural stones are natural, they may have unique inclusions, chips, scratches, and cracks. Therefore, please purchase only if you understand natural stones. The color of the photos and the actual product may differ depending on the light and lighting conditions, so please understand this. Other natural stones are here ↓ #ToriToriNaturalStones #NaturalStone #Bracelet #PowerStoneBracelet #Earrings #Ring