Herkimer diamond quartz formation

High quality, authentic, Herkimer diamond cluster formation with rainbow inclusions from the (now closed) Ace of Diamonds mine. Herkimer diamonds are beautiful double-terminated quartz crystals found only in Herkimer, New York. These gemstones are close to five hundred million years old.

This formation measures approximately 12.5cm x 7.5cm x 6.4cm and weighs 424g.