Product Natural Opal Size (mm) 21.19 x 7.22 x 3.94 Number of Gems 1 Total Weight 2.87ct 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 22988