Libyan Desert Glass - SOLD 1.878" carcharodontosaurus 73" polished Phylloceras fossil from

73" polished Phylloceras fossil from Madagascar

They are hand cast in Colorado by a family that specializes in creating bismuth crystals for the jewelry industry

Please Note: Due to the fragile nature of the material the size will vary widely

"Oxygen isotope composition as a tracer for the origins of rubies and sapphires

760" and comes from Chevrolet's St

Libyan Desert Glass - SOLD 1.878" carcharodontosaurus 73" polished Phylloceras fossil fromComet 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. 878" chunk of Libyan Desert Glass. It is a