Oluur

Oluur is a fictional mineral featured in fantasy and speculative fiction as a high-density energy source. In the imagined worlds where it appears, oluuri deposits form in volcanic or tectonically active settings and are usually found in deep basalt caverns. The term oluur is used across several languages within these settings, with occasional alternate spellings appearing in different works.

Physical properties commonly ascribed to oluuri include a glassy crystal lattice, a pale blue to emerald luster, and a faint internal glow that intensifies with heat or electrical stimulation. It is typically described as a complex silicate alloy containing trace metallic elements, and its energy density is portrayed as enabling compact power generation or advanced propulsion when stabilized.

Applications in fiction center on power systems for reactors, spacecraft, or mystical conduits. Extraction is portrayed as challenging due to depth, rarity, and seismic hazards, and refining requires specialized facilities to manage reactivity and containment. Market dynamics in stories often hinge on oluuri availability, transport safety, and political control of deposits.

Oluur's role as a plot element varies, but it is commonly used to explore themes of resource scarcity, technological hierarchy, and environmental risk. In some narratives, oluuri deposits are treated as sacred sites or as sources of regional conflict.

See also: List of fictional minerals; Energy minerals in speculative fiction.