mognar
Mognar is a term used in speculative fiction to denote a fictional mineral or material that often plays a central role in the economy and technology of imagined worlds. There is no single canonical definition; the properties and significance of mognar vary by work, and the term may also appear as a place name or toponym in different settings.
In most depictions, mognar is described as a dense, energy-rich mineral with a distinctive iridescent sheen.
Mining and processing are often portrayed as hazardous, involving specialized containment to manage radioactivity or radioluminescence.
As a toponym, mognar appears in a handful of fantasy or sci-fi settings as the name of