Homebound Palm Stone | AmethystPalm Stones are a form of acupressure. Rubbing a stone between your fingers stimulates the pressure points in the thumb to release endorphins, which naturally calm the brain. Amethyst brings clearer thinking, emotional balance, and can even improve sleep with its calming energy. Use it for comfort, peace, relaxation, and to improve overall well being. How to use Rub the stone between your thumb and fingers during times of stress or anxiety.