Slian

Slian is a fictional mineral name used in speculative fiction and worldbuilding. Named for the fictional region of Slia, slian is described as a dense metallic substance with a high strength-to-weight ratio and exceptional thermal and electrical properties. In many works it serves as a prototype material for advanced technologies and as a plot device surrounding resource control.

Formation and properties: Slian is usually depicted as forming under specific high-pressure, high-temperature conditions in planetary crusts, yielding either monocrystalline or uniformly layered deposits. It commonly exhibits corrosion resistance, a high melting point, and good fatigue performance. Some authors append superconducting or near-superconducting behavior when slian is alloyed with other elements; others reserve such properties for extreme environments.

Occurrence and extraction: Deposits are portrayed as rare and geographically constrained, requiring deep mining operations and specialized refineries. Robotic mining fleets and high-temperature processing are typical features of its supply chain, with export rights often controlled by corporate or governmental entities in the narrative.

Uses and cultural role: Slian is valued for structural components in spacecraft and turbine engines, radiation shielding, and high-density energy storage systems. Its scarcity and strategic importance commonly drive in-world politics, trade agreements, and industrial rivalries, as writers use slian to explore themes of dependency and resource governance.

Note: Slian is a fictional term and not an element recognized in real-world science; variations exist across different works of fiction and worldbuilding projects.