Product Natural Opal Size (mm) 20.45 x 6.85 x 3.16 Number of Gems 1 Total Weight 2.21ct Shape / Cut Marquise Cabochon Colour Colourless body displaying green, orange minor blue and red play of colour Clarity Translucent Origin Ethiopia Hardness 5.5 – 6.5 MOH’S Scale Crystal Structure Amorphous Enhancement None Certificate Yes Product Code 22989