Product Natural Opal Size (mm) 12.66 x 12.56 x 3.74 Number of Gems 1 Total Weight 2.93ct Shape / Cut Triangular Cabochon Colour Colourless body displaying purple, minor green and orange play of colour Clarity Translucent Origin Ethiopia Hardness 5.5 – 6.5 MOH’S Scale Crystal Structure Amorphous Enhancement None Certificate Yes Product Code 22987