Chalcedony... Spiritual power to attract success. Chalcedony has stone words such as "career luck," "success," "trust," and "harmony," and is a power stone that supports career advancement by improving relationships in the workplace. This stone has been loved since ancient times as an amulet to strengthen leadership and build trust. Tourmaline... Health luck, financial luck, popularity luck, harmony, improvement of relationships, development of emotions, all-purpose amulet, purification, healing effect, strengthening of willpower, positivity, electromagnetic wave protection. Thank you for viewing. Inner diameter 16.5cm, 9mm