Ethiopian Opal 1x2.5-3x5mm Graduated Irregular Rondelle - 15-16 Inch 48hr_11282023 Von Prehn discovered the stone

Von Prehn discovered the stone in South Africa in 1774

currently believed to be due to the presence of a copper-based mineral such as Malachite or Azurite

In crystal circles

Makes 3 sizes of rings: 7x9 mm / 0

Ethiopian Opal 1x2.5-3x5mm Graduated Irregular Rondelle - 15-16 Inch 48hr_11282023 Von Prehn discovered the stoneEthiopian 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.