Radiantinis

Radiantinis is a fictional crystalline mineral frequently described in science fiction and speculative geology as a luminescent, energy-bearing mineral. In most depictions, its structure is an alkali- or aluminosilicate lattice doped with rare-earth or transition-metal ions that produce bright, engineered colors when exposed to light or electric fields. The term is often used loosely, with variations in composition and origin across different works.

Physical properties commonly attributed to Radiantinis include high refractive index and strong luminescence, with colors ranging from emerald green to sapphire blue depending on dopants. It is typically described as relatively hard and resistant to oxidation, making it suitable for compact photonic devices or jewelry in-universe. Its luminescent behavior can be both phosphorescent and fluorescent, sometimes emitting a persistent glow after irradiation.

Formation and occurrence are described inconsistently across sources. Some stories place Radiantinis in asteroid belts or on airless moons where irradiation drives crystal formation; others place it in hydrothermal veins within large planets. Extraction is portrayed as challenging due to its crystalline brittleness and the need for careful handling of luminescent emissions.

Uses and significance vary by work but commonly include energy storage, optical components, signaling devices, and high-value ornamentation. In fictional economies, Radiantinis can influence mining rights, export controls, and environmental considerations because its mining depth and light emissions pose hazards.

See also: luminescence, phosphorescence, rare-earth minerals, photonic materials.