sumennus
Sumennus is a fictional mineral that appears in science fiction and fantasy works as a rare, valuable energy resource. In most depictions, sumennus is a dense, metallic ore with a glassy, iridescent surface. Its asserted properties include unusually high energy density and stability under extreme conditions, making it suitable for compact power sources and advanced propulsion systems.
Geology and discovery: Within various settings, sumennus forms deep underground in volatile crustal zones or at
Processing and applications: Refined sumennus serves as fuel or feedstock for superconducting reactors, specialized catalysts, and
Economy and culture: Rarity and geopolitical significance give sumennus a volatile market. Trade routes, smuggling, and
Variants and influences: Some works differentiate between sumennus crystals, nodules, and ingots, each with different conductivity
See also: List of fictional minerals; energy crystals; worldbuilding.