Bemonite
Bemonite was a mineral with an extremely fine consistency.

In 2375, the  crashed on a planetoid with a bemonite mantle after being damaged in an ion storm. The bemonite gave way, keeping the Flyer intact but burying it under fifty kilotons of debris. Rescue teams from the  had to excavate the bemonite away before they could beam the Flyer aboard. ()

Materials