12 novembre 2010
Very Fine Mexican Jelly Opal—The National Gemstone of Mexico. Magdelena, Jalisco, Mexico
Very Fine Mexican Jelly Opal—The National Gemstone of Mexico. Magdelena, Jalisco, Mexico © 2002-2010 Bonhams 1793 Ltd Weighing approximately 8.95 carats and measuring 18.0 x 13.0 x 8.0 mm - Sold for $8,540 Opals were formed during the Cretaceous period...