Libyan Desert Glass - SOLD 1.007" graptolite In general

In general

This specimen is a one of a kind

5cm) and 8" (~20cm) circumference

recovered on private land in South Dakota from the Hell Creek Formation and crafted into a handsome pendant right here at Mini Museum

Our QA team notes there are some scratches in the acrylic

Libyan Desert Glass - SOLD 1.007" graptolite In generalComet 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