Thank you for viewing! ◎ I hope this power stone will encourage you in some way. ◎ If you are interested in this stone, or if this product has caught your eye, I believe it is fate. Moonstone: Approximately 10mm and 8mm Purified. Inner diameter: Approximately 15cm Uses transparent Ope-lon rubber (4-ply) Moonstone with Schiller effect. Since ancient times, it has been loved by people as a stone with mysterious powers, and is said to have the power to support women. It is said that wearing moonstone when your emotions are unstable due to anger or sadness will calm your emotions. As this is handmade, we appreciate your understanding. Also, as natural stones are used, please understand that there may be variations in color, shape, unevenness, cracks, and inclusions.