Often viewed as a stone of peace, some believe amethyst's calming presence produces soothing dreams by bringing the dreamer more in tune with the Divine. This clarity and peacefulness also extends to the waking mind. Amethysts are said to help the mind flow freely in both mental and metaphysical dimensions. (Source: gemsociety.org)
 
Worry stones are smooth, polished gemstones, usually in the shape of an oval with a thumb-sized indentation, used for relaxation or anxiety relief. They are used by holding the stone between the index finger and thumb and gently moving one's thumb back and forth across the stone. (Source: Wikipedia)
 
Size: About 1.6x1.6x0.2 Inches
Weight: About 15g