“Spherical aggregates of white dolomite rhombohedra on galena, with minor pyrite. This specimen is over 35 years old, having been collected prior to the final closure of the mine in 1982. Ex. Jim Witmer and Gus Seppi; purchased at the Rock Hut in Leadville, Colorado on 22 June 2014. Currently in the Polhemus collection, catalog # POL-MIN-2014-0032. Dan Polhemus photo. ”