Herkimer Diamond is a Double Terminated Clear Quartz found at Herkimer County, New York. Also known as the 'stone of attunement' and the 'Little Falls Diamond'.

While it is not actually diamond, it is Quartz that often resembles the sparkling clarity of diamonds. It can be metaphysically programmed to attune one to an environment, a situation, a quality, or most anything.  It can be used effectively to clear and open any chakra. It is professed to relieve spiritual tension and thereby promote peace of mind. Psychically, it's useful for auric cleansing and dream recall. Herkimer Diamond is associated with the crown chakra.