Sphalerite     Pierrepont Z.C.A. Mine, West Pierrepont, St. Lawrence County, New York. Ex. New York State Museum. A pair of intergrown spinel law twins that are more transparent than most. No damage, minor base contact. Tiny amount of Styrofoam attached as seen in images. 1.9 x 1.5 x 1.3 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.  $80