Exogenic Fulgurite   Oswego, Oswego County, New York.  From lighting strike on August 2, 2008, ref. Rocks and Minerals magazine, May/ June 2011 issue, vol. 86, no.3, p. 264-270.  Collected by Joeseph, Jonah, Arlo, and Jeffery Shallit.  A 5 x 2.5 x 1.6cm specimen composed of balls (visibly hollow due to a natural opening on its upper surface) with secondary droplet attachments and short filaments.  Lustrous and with one side showing moderate soil adhesions indicating it landed on that side while still molten.  No damage but the filaments are not terminated.  Small flat pebble is attached to underside.  Fantastic example of this rare material.  Very complex and interesting.   $240