Libyan Desert Glass - SOLD 1.195" silurian The specimen is enclosed in

The specimen is enclosed in an acrylic specimen jar held within a handsome

The nacre is rich in aragonite

It comes from the Kem Kem beds of Morocco and is associated with Coloborhynchus

This tooth is a incisor

3390/geosciences7040119

Libyan Desert Glass - SOLD 1.195" silurian The specimen is enclosed inComet 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. 195" chunk of Libyan Desert Glass. It is a