19 mai 2016
Exceptional Amethyst Geode with Calcite Stalactite, Minas, Brazil
Lot 1143W. Exceptional Amethyst Geode with Calcite Stalactite, Minas, Brazil. Weighing approximately 225 lbs (102 kgs). Measuring 26 x 21 x 13in. Sold for US$ 20,000 (€17,861). Photo: Bonhams. A view into an interior world of associated minerals, this...