DESCRIPTION: These pocket tranquilizers use a form of reflexology, or nerve pressure. Rubbing the smooth surface of the stone puts pressure on nerves within the thumb that may release endorphins, the brain’s natural relaxants. Worry stones may vary in sizes. Sold in pack of 12. SYMBOL: Clear quartz is a power stone. Helps for concentration, increases inspiration and creativity. Purifies the spiritual, mental, and physical plans, bringing an aura of protection.SKU:#62330