The characteristic
tint of
green or blue-green sapphire comes from the presence of
iron (FE) in the crystal. Because of the presence of the iron, the loose
green or blue-green sapphire gem has a higher indices than most other sapphires thus making the
loose green or blue-green sapphire the second most
dense gemstone known to man. The
green sapphire gemstone is known as the stone of tranquility. Loose
green or bluegreen colored sapphire gems are often faceted and cut in the round brilliant
shape, but other fancy shapes of green or blue-green Sapphire gemstones include
square,
pear, trillion, cabochon,
round, emerald cut,
oval, cushion, and
heart shaped cut green/blue-green Sapphire.