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. Another wild looking thing that is better left for the images to describe. The luster is really nice and the form is interesting and the condition is excellent. 4.3 cm. $150