“Just gazing into the calming blue points inside a Celestite geode encourages a state of relaxation. They are wonderful for your bedroom, as they aid in inspiring a deep and restful sleep.

Introduced in the novel Star Wars - The High Republic: Into the Dark by Claudia Gray, Geode is just the latest living rock in science-fiction.

The Pulpí Geode, in southern Spain, is the largest geode in the world. For the first time, scientists think they know how it was made.