Amethyst is a protective stone associated with the Third Eye and Crown chakras. It promotes mental clarity, is a natural stress reliever and rids the body of negative energy while attracting the positive.
Onyx is said to absorb negative energy. It also aids those who get drained easily by providing extra supportive and strengthening energies.
The eight pointed star is believed to represent balance and harmony. It is a powerful symbol often used to ward off negative energy.