lennule
Lennule is a term encountered primarily in speculative fiction and in theoretical discussions of mineral physics to denote a fictional mineral or crystalline phase. It is not recognized as a real mineral by any geological authority. Descriptions of lennule vary between sources, but it is commonly depicted as a transparent or pale-colored crystal with a defined lattice structure and notable stability under extreme conditions.
A defining characteristic in many depictions is extraordinary energy storage capability, paired with rapid energy release.
In narrative contexts, lennule is often described as occurring in remote or geologically unusual locations, such
Etymology and usage vary; the name is commonly linked to a fictional origin, such as a place