Tozlarn

Tozlarn is a fictional mineral used in speculative fiction, role-playing games, and constructed-language projects. It does not exist in the real world. In many settings, tozlarn is prized for energy storage and for its distinctive glow.

Etymology: The name comes from a constructed language used by authors to evoke antiquity; in-world, the syllables toz and larn are commonly interpreted as "light" and "stone," although interpretations vary between cultures within the fiction.

Description: In-universe depictions describe tozlarn as a dense, conchoidal mineral with a glassy luster and a bluish-violet iridescence. It demonstrates high electrical conductivity, with energy transfer efficiency improved when cooled to low temperatures. It is brittle and requires specialized tools manufactured from protective alloys to cut and refine.

Occurrence and extraction: Tozlarn deposits are typically found in veins within basaltic or volcanic rock, often in seismically active regions. Extraction is challenging due to vein irregularity and the mineral's sensitivity to impurities. Purified tozlarn commands a premium in fictional markets.

Applications and cultural role: Within storylines, tozlarn is used in reactor cores, high-density capacitors, and ceremonial artifacts. Its glow is often depicted as a manifestation of latent energy, and it serves as a plot device for scarcity, trade routes, and technological advancement. Some settings treat it as a symbol of legitimacy for rulers who claim control over its mines.