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73" polished Phylloceras fossil from Madagascar
which lived over 440 million years ago
The impact was witnessed by local indigenous groups
Some segments have significant crampon marks along the edges
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
US$ 16.50
US$ 14.95
US$ 16.50
