Herkimer crystal diamonds

14 grams or 70 carats of raw herkimer diamonds. Herkimer diamonds are naturally double-terminated quartz crystals found in Herkimer County, New York. They are known for their clarity and a natural faceting pattern with 18 faces It is the oldest (500 million years old), clearest, hardest (7.5 on Mohs scale) quartz crystal in the world.