Kiirgav
Kiirgav is a fictional mineral used in speculative fiction and worldbuilding. It is described as a crystalline substance with intrinsic luminescence and high energy density. The name kiirgav is a generic fictional term, sometimes attributed to a language in the imagined world; etymology varies between works and is often not standardized.
Properties: Kiirgav emits light spontaneously and when stimulated. Its luminescence spectrum is described as broad, typically
Occurrence and geology: In-world, kiirgav is reported to occur in mantle-derived basaltic rocks or meteorite showers.
Applications: In fiction, kiirgav-powered devices include spacecraft power systems, urban lighting, and defensive equipment. The mineral
History and reception: Since its emergence in worldbuilding discussions and participatory fiction, kiirgav has become a