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.Quartz is a member of the largest family of stones, the silica group, it is the second most abundant mineral in the Earth's continental crust. Since antiquity, it has been used to make jewellery and carvings. As a healing stone, it is known as the master stone, once thought to be solidified light. Special characteristics of storing (programming), amplifying and transmitting thoughts and energy. It is said to activate the pineal and pituitary glands. Quartz is excellent for meditation and accessing the higher self and guides.
