Small Exogenic Fulgurites For Sale

 

 The strike which produced all of these fulgurite specimens occurred on August 2nd, 2008.  The strike occurred at 43°2739.65 N latitude by 76°302.22 W longitude between the roadway and sidewalk on 100 East Cayuga Street at an elevation of 88.4 meters above sea level.  This is approximately six city blocks from the southeastern edge of Lake Ontario.  The site was composed of four distinct impact spots.  The entire strike site was approximately five meters in length and two meters in width.  A paper documenting the occurrence and describing its scientific significance has been published in Rocks and Minerals magazine, May/ June 2011 issue, vol. 86, no.3, p. 264-270.

The Oswego, New York, exogenic fulgurite occurrence represents only the second occurrence of these unusual fulgurites to be documented, the first being the Elko, Nevada, occurrence, found in 1997 (Mohling, J. W. 2004. Exogenic fulgurites from Elko County, Nevada: A new class of fulgurites associated with large soil-gravel fulgurite tubes.  Rocks & Minerals LXXIX: 334-40).  Many similarities between the strikes exist, but it is the differences that are of interest.  Further, this strike was found and excavated only days after its discovery vs. years after its discovery which seems to be the case in the Elko example.  

Exogenic fulgurites of all forms and combinations of forms were present on the surface of the ground surrounding the impact points of the lightning.  They extended outward for an estimated radius of no more than a meter.  Filaments with and without attached droplets were found to 13 cm in length.  Individual and small groupings of this form were some of the most aesthetic specimens recovered from the find.  A few of these were larger aggregates.  Spinose and flagellated varieties of droplets, were relatively common as were small droplets that were roughly spherical.  The droplets were mostly green in color and ranged in size from 1 mm to 3.5 cm.  About a third of these specimens are completely hollow, with no external openings, and they float in water.  Microscopic investigation showed that even the smallest droplets and spheres to be highly vesicular having between 20 and 70 percent open space.  Less common were clusters of these droplets or clusters connected by filaments.  Drapery like forms or sheets of material were also found beside, and attached to, ground fulgurites.

The surfaces of the exogenic fulgurites vary in texture.  Those that appear to have solidified in the air have smooth, lustrous surfaces on all sides.  Most, however, appear to have only been partially solidified upon their impact with the ground, with one side being smooth and lustrous and the opposing side having a texture reflecting the soil surface, sometimes with small bits of soil attached.  The assemblage of colors in order of decreasing frequency of occurrence are: (1) green; (2) gray to black; (3) white; (4) silver; and (5) brown. 

        The specimens to follow represent a good selection of the best materials recovered.  All the exogenic materials are glassy in appearance (very lustrous) and have smooth surfaces from their quick cooling and flight through the air.  Many Ground Fulgurites were also recovered.

 

These small fulgurites are not fully described.  You get one image and a length to decide from.  Don't forget to send me a pic of your choice and shipping is extra. 

 

 

 

$20 Exogenic Fulgurites Below

1.7 cm

RESERVED

3.6 cm

1.4 cm

3.2 cm

   RESERVED

 

 

 

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$30 Exogenic Fulgurites Below

2.2 cm

2.6 cm

1.5 cm

2.4 cm

 

 

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$40 Exogenic Fulgurites Below

2.7 cm

2.1 cm

2.9 cm

2.4 cm

   RESERVED

2.5 cm

4.5 cm

 

 

 

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$50 Exogenic Fulgurites Below

2.5 cm

2 cm

1.7 cm

   RESERVED

2.7 cm

2.6 cm

 

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