Multiple pieces are shown in second and third images to demonstrate how no two are alike, differing in both size and shape.
Information about Amethyst powers, thumb stone meanings and how to use one is included with purchase.
The meaning and use of thumb stones actually originated in ancient Greece.
Holding one between your index finger and thumb and rubbing it repetitively is believed to lessen your worries, create feelings of calmness and reduce stress levels. This can be a very soothing behavior and you also benefit from the energy of Amethyst.