Known as the stone of high vibrational frequencies, the Herkimer Diamond combines the qualities of Clear Quartz and Amethyst. This powerful crystal combines the powerful amplification properties of Clear Quartz with the calming properties and crown chakra alignment of Amethyst. With its six facets and dual termination, this gem may transmit powerful energies. The purpose of the Herkimer Diamond is to promote astral communication, enhanced attunement, and a feeling of pure clarity in one's senses.