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.
AVENTURINE is said to encourage creativity, give courage and independence. Best for fear free thoughts. When we are not inhibited by fear we can create freely and attract what we truly deserve such as prosperity.