Libyan Desert Glass - SOLD 2.450" 50sept2023sale Above: Rough Sapphires from the

Above: Rough Sapphires from the Mini Museum Collection

They date to 3

You can see the full sizing info further below

they are very expensive and very heavy

a soft mineral produced from weathering copper deposits

Libyan Desert Glass - SOLD 2.450" 50sept2023sale Above: Rough Sapphires from 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 2. 450" chunk of Libyan Desert Glass. It is a