Ethiopian Opal 1x2.5-3x5mm Graduated Irregular Rondelle - 15-16 Inch Stone Type_Turquoise non-crystalline mineraloid consisting of a

non-crystalline mineraloid consisting of a high percentage of carbon

a silicate of calcium and magnesium -- from western Canada

also known as Herkimer Diamond

Available in a wide array of colors

but can also appear silver

Ethiopian Opal 1x2.5-3x5mm Graduated Irregular Rondelle - 15-16 Inch Stone Type_Turquoise non-crystalline mineraloid consisting of aEthiopian Opal was first discovered in Ethiopia in 1994, with additional major finds in 2008 and 2013. Beautiful specimens of Precious Opal, Fire Opal and Black Opal with spectacular play of color are now being found in these areas. Ethiopian Opal typically occurs in brown, red or orange body color, yet yellow, white and clear stones are also seen.