Libyan Desert Glass - SOLD 1.007" geode The unusual matrix of the

The unusual matrix of the Pallasite is formed by the intrusion of molten metal into layers of Olivine

glass-topped riker display cases measuring 4 1/2" x 3 1/2"

This piece features a hinged jaw

This specimen is a 136-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

Libyan Desert Glass - SOLD 1.007" geode The unusual matrix of theComet impact glass! 28,500,000 years old! In the southeastern spur of North Africas Great Sand Sea, there are several fields of luminous, yellow green glass known as Libyan Desert Glass (LDG). Due to the lack of any visible impact crater, the most likely source is a low density asteroid or comet airburst explosion leading to the fusion of silica rich sands roughly 28,500,000 years ago. This specimen is a 1. 007" chunk of Libyan Desert Glass. It is a