The therapeutic benefits of worry stones, which we call Calming Crystals, date back to ancient Greece, Mesopotamia, Tibet, Ireland and North American tribes. These crystals were used to activate protection, ease anxiety and enhance meditation practices.

Worry stones are smooth, polished gemstones, usually in the shape of an oval with a thumb-sized indentation. The smoothness of the stone is most often created naturally by running water. ... This action of moving one's thumb back and forth across the stone is relaxing