Hpj Reference Point: World Rare Big 20.41 Ct Vvs Thunder Bay Green Amethyst

   Reference Point WORLD RARE OVAL CUT THUNDER BAY GREEN AMETHYST (VERMARINE)20.41 CARATS - VVS EARTH MINED AT PANORAMA, ONTARIO, CANADA  GEM TYPE: GREEN AMETHYST (VERMARINE)CARAT WEIGHT: 20.41 CARATSCLARITY: VVSDIMENSIONS: 20.00 x 15.50 x 10.80mmCOLOUR:  AAA GREENCUT: OVALORIGIN: SEE ABOVETREATMENTS: HEAT ONLY   Extravagantly beautiful oval cut Thunder Bay Amethyst. Beautifully cut, and visually stunning.   Amethyst Mine Panorama is the largest deposit in North America. It was discovered in 1955 as a result of a road being built to the forest fire lookout tower (McTavish Tower) visible from the mine sight.  Amethyst production started in 1960 and the mine has produced continuously since then.