Know your Chakras
For the Crown Chakra (Top of the head)we using the Clear Quartz because its great for stimulating and enhances psychic abilities. The Crown (Sahasrara) Chakra is the 7th Chakra, yes it's at the top so one may think that it's the first chakra. The Sahasrara is all about focusing on the pursuit of spiritual peace, and connecting to higher consciousness or state of being.
For the Third Eye Chakra (is on the forehead) we using the Amethyst it help with spiritual awareness, psychic power, intuition and light. The Third Eye (Pineal Eye) Chakra is the 6th Chakra which it aliened the other 5 Chakras together. The Pineal Eye