Calcite with Pyrite and Marcasite, Linwood Mine near Davenport (Buffalo), Scott County, Iowa, Collected ca. 2012, Kalaskie Collection #69, Small Cabinet 5.0 x 6.5 x 9.5 cm, $150. Online 2/27
Lustrous, semi-transparent calcite scalenohedrons modified by rhombs on a brassy iridescent chalcopyrite matrix. Nice presentation and balance. On the back side there is one cleaved calcite. Display side in excellent condition. Betty Kalaskie Collection #69.