This Beautiful 10.95ct Grey Opal is very unique.  The fire in the stone is simply amazing and appears to resemble a landscape.  With the vibrant colors, in a flagstone pattern, at the top of the stone and a slightly less bright swirl pattern at the bottom; this Opal makes resembles the mystical phenomenon of the Aurora Borealis.  The stone has many of the colors found in Opal, and are very bright.  Perfect for a large ring, or pendant, this is a very rare opportunity to own a very unique stone.