Sphalerite     Pierrepont Z.C.A. Mine, West Pierrepont, St. Lawrence County, New York. Ex. New York State Museum. Another single crystal, twinned, great form and luster with edge contacts and “melted” looking areas. 2 x 1.7 x 1.2 cm.  These are very difficult to find for sale any longer.  This mine has exhausted the ore body and has been closed for some time now.  $50