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. Blue Agate: Approximately 6mm Crystal: Approximately 8mm Cut Button Purified. Inner diameter: Approximately 15cm Uses transparent (quadruple) Ope-lon rubber. Blue Agate: It is said to strengthen your imagination, restore a calm mind, improve communication skills, promote the growth of the wearer, and give the power to overcome difficulties and grasp a bright future with your own hands. Crystal: It is said to be a power stone that goes well 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 awakens 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, distortions, cracks, and inclusions.