Amethyst

Believed by ancient cultures to prevent overindulgence and intoxication.

A purple variety of quartz crystal, it provides protection, spiritual attunement, grounding and is a powerful energizer. It also enhances psychic abilities, reduces mental tension and encourages the transformation and breaking of bad habits. A stone of spirituality and ontentment...that facilitates transmutation of lower energies into higher frequencies of both the spiritual and ethereal levels.