Clear quartz bonded with pure solid gold, indium, and occasionally niobium.
 
It greatly increases psychic and intuitive awareness, and helps one to expand their consciousness. It is also said to help heal both the physical body and one's spiritual self. It is known to be a great psychic shield, and can help one open their Crown Chakra in a very protective way. If you're looking to raise your connections to higher realms and undergo any psychic work, this is the stone for you.

Crown Chakra (7th - Sahasrara)