Thank you for viewing! ◎ I hope this power stone will encourage you in some small way. ◎ If you are interested in this stone, or if this product has caught your eye, I believe it is fate. Amethyst: Approximately 7.5mm Crystal: Approximately 8.5mm Cut Button Purified. Inner diameter: Approximately 16cm Uses transparent Ope-ron rubber (4-ply) Amethyst (Brazil): Birthstone for February. It is called the guardian stone of love and is said to awaken love and compassion, and to give the power to protect true love. It is said to attract a wonderful lover and to have the power to calm excessive passion, and is therefore said to greatly support the fulfillment of love. Crystal: It is said to be compatible with anything. It is said to be a stone that wards off evil and brings good luck. Crystal symbolizes purity and innocence, cleanses the mind and body, activates vitality, and is said to awaken potential and talent. We look forward to your purchase, and appreciate your understanding as this is a handmade item. Also, as natural stones are used, please understand that there may be variations in color and shape, as well as imperfections, cracks, and inclusions.