This is chrome diopside. Black inclusions can be seen in places, but the green is so deep that they are not very noticeable. Size: Approximately 7mm Inner diameter: Approximately 15.8cm * As natural stones are natural, there may be fine scratches or small dents, but this is due to their natural origin and is not a defect. Please purchase only if you understand this. Chrome diopside Crystal Natural stone Power stone bracelet Power stone 4500→3800