making it an excellent choice for collectors and space enthusiasts who want to own or share a piece of history at a great price
grinding in opposite directions for 750 miles
It is found almost exclusively in the Bearpaw Formation of southern Alberta
Please note: As each trilobite is a unique fossilized creature
Recent petrographic studies have closely linked chippings from these dolerite bluestones to the bluestones installed at Stonehenge roughly 4
Libyan Desert Glass - SOLD 3.951" rockinaboxcavebear making it an excellent choiceComet 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 3. 951" chunk of Libyan Desert Glass. It is a