Amethyst the stone of the Spirit. One of the most precious and valuable stones belonging to the quartz group of minerals. It is used to calm fears, raise hopes, lift the spirits and promote thoughts of the spiritual reality behind our lives. It is also known to ward off guilt and self deception, curb overindulgence, and bestow good judgement. Bringing peace, stability and strength to the wearer. Amethyst - Memory, protection, purification. Lava: Grounding, Protecting, Strengthening, Balancing.