Clear quartz

The stone of Manifestation Clarity-Amplifying-Healing   Chakra: Crown, all chakras A must have in all crystal collections, intensifies all the stones, and master healing. Facilitates clarity in matters you are seeking, clear the mind of self doubt, magnify your intentions. Balances mind, body and spirit. Programmable and achieves the impossible.  Helps with acceptance, friendship, joy, unity, vertigo, sleep, heartburn, dental problems, thyroid   Size, color and markings will vary due to the natural variations in the stone.