Hpj Ref. Point: Superb Top Diamond Fire Huge 5.72 Ct Vs1 Cambodian Zircon

  Reference PointSUPER TOP DIAMOND FIRE 5.18 CARAT VVS VERY RARE ORANGE/YELLOW BICOLOUR (DOES NOT SHOW ON POOR IMAGE) CAMBODIAN ZIRCON    GEM TYPE: CAMBODIAN ZIRCONCARAT WEIGHT: 5.72 CTSCLARITY: VS1DIMENSIONS: 13.28 x 9.33 x 4.97mmCUT: PEARORIGIN:  PREAH VIHEAR, CAMBODIATREATMENTS: NONE Start out by forgetting all that you previously thought of the Zircon ! It has no relationship whatsoever with Cubic Zirconium.  Zircon is the oldest mineral on Earth - even older than the Moon, which formed over 4 billion years ago - take a look: http://www.dailymaverick.co.za/article/2014-02-24-rock-around-the-clock-zircon-crystal-is-oldest-piece-of-earth/#.UwxH6bDNvIW The fire in Zircon, called dispersion, is caused by light entering the gemstone and separating into a prism of rainbow colours.   Cambodia is the worlds premiere source for the natural Zircon. One hundred kilometres north of Angkor Wat, close to the Cambodian Thai border, are the mines of Preah Vihear. Remote, pristine, and mystically beautiful...