also known as Libyan Desert Glass.
Stands up on its own, like a small tower.
This unique, extremely rare mineral of unearthly origins resembles the volcanic glass known as obsidian and has much in common with the highly prized and extremely rare gemstone called Moldavite.
Libyan Desert Glass is thought by most scientists to have been formed by a meteor strike some 2.8 million years ago, and thus is thought to contain substances of both terrestrial and extra-terrestrial origin.