Ethiopian Opal 1x2-3x5mm Graduated Irregular Rondelle - 15-16 Inch boulder and gives a silvery green

and gives a silvery green or blue sheen

making it the hardest silicate mineral

red and white -- as well as for its opacity and patterns

Variscite is a hydrated aluminum phosphate is formed when phosphate-rich water reacts with aluminum-rich rocks near the surface

Ethiopian Opal 1x2-3x5mm Graduated Irregular Rondelle - 15-16 Inch boulder and gives a silvery greenEthiopian 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.