Libyan Desert Glass Sphere - a photo on Flickriver

Libyan Desert Glass Sphere

            Libyan Desert Glass (“LDG”) is a natural glass formed as the result of an asteroid impact approximately 28.5 million years ago which liquified the desert sand on impact.  It’s the extraordinary heat that results from such impacts that liquefied the sand which was quenched into glass.  Some molten desert sand even splashed into the air. 

Silicate glass formations that result from such impacts are referred to as tektites. Like meteorites, tektites are named after the places where found, hence moldavite (from the Moldau River Region), Philippinite, Libyan Desert Glass, etc. The greater the percentage of silica the lighter the color. Moldavite has approximately 80% silica and is dark green; LDG is typically almost entirely silica and is yellow. 

Specimens of LDG were fashioned into tools during the Pleistocene epoch and are frequently used in jewelry applications today. An early example of the latter is that the scarab beetle of King Tut’s pectoral pendant was a carving of LDG. 

39mm (1.5 in.) in diameter and 73.9 grams, found at the Egyptian/Libyan Border Region of the Sahara Desert

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Taken on: August 23, 2024

Tags:

Libyan

Desert

Meteorite

Impact

impactite

Sphere « less

Sets appears in: • Space Collection 🚀 • Meteorites ☄️

Camera: Canon EOS-1D X Mark III, f/4.0, 1/1000 sec, 24mm, ISO 800 (more info) (hide info)

Camera:	Canon EOS-1D X Mark III
Lens:	Canon EF11-24mm f/4L USM
Aperture:	f/4.0
Exposure Time:	0.001 sec (1/1000)
Focal Length:	24mm
ISO:	800
Exposure Bias:	0 EV
Flash:	No Flash
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
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