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Libyan Desert Glass

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Libyan Desert Glass is classified as a Muong Nong type of tektite, i.e. broken chunks from a layered mass.   There is no evidence of atmospheric aerodynamic shaping and it is therefore presumed that Libyan Desert Glass formed as a melt sheet of some sort, probably by meteoritic impact some 28.5 millions years ago.  Studies concluded that meteoric elements in the glass, of almost chondritic proportions, point to an impact origin. The beautiful sculptural quality of the pieces are due to millennia of sand blasting in the desert.  
Found in one of the most remote and inhospitable regions on earth, collection requires a journey of 1000 kilometers across billowing sand seas from the nearest roadways.    Sounds like fun!

     Those below are a select few with lovely shapes, no chips or cracks.  A few rare pieces have spherules of cristobalite, a high temperature silica polymorph.       

LDG72-37a.JPG (16152 bytes)  $250.00
Weight is 72.37 grams.   Piece measures about 55x45x30mm.  Note the rare cristobalite spherules in this piece.     Pic2    Pic3
ldg61-42a.JPG (27473 bytes)  $185.00
Weight is 61.42 grams.   Piece measures about 60x45x30mm.

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ldg33-11a.JPG (17292 bytes)  $300.00
Weight is 33.11 grams.   Piece measures about 48x40x16mm.  This is an artifact.  It was chipped by primitive man to make a cutting or scraping blade.

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LDG13-11a.JPG (17983 bytes)  $45.00
Weight is 13.11 grams.   Piece measures about 30x24x16mm.

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LDG11-04a.JPG (20619 bytes)  $SOLD
Weight is 11.04 grams.   Piece measures about 22x21x19mm.

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LDG9-33a.JPG (19133 bytes)  $32.50
Weight is 9.33 grams.   Piece measures about 29x20x11mm.

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LDG9-25a.JPG (15756 bytes)  $32.50
Weight is 9.25 grams.   Piece measures about 27x20x15mm.

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ldg7-83a.JPG (18725 bytes)  $27.50
Weight is 7.83 grams.   Piece measures about 26x18x16mm.

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LDG7-82a.JPG (30330 bytes)  $27.50
Weight is 7.82 grams.   Piece measures about 40x22x8mm.

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LDG5-23a.JPG (28325 bytes)  $18.00
Weight is 5.23 grams.   Piece measures about 22x20x9mm.

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LDG4-42a.JPG (24050 bytes)  $15.50
Weight is 4.42 grams.   Piece measures about 22x12x12mm.

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