Dominiinien

Dominiinien is a fictional mineral described in speculative fiction and world-building resources. The name derives from dominus, implying authority or mastery, and it is not a real mineral, though it appears in several settings as a material with extraordinary properties.

In depictions, dominiinien is a dense, metallic-to-submetallic mineral with a lustre ranging from dull metal to iridescent. Color can be gunmetal gray to deep blue-green on freshly broken surfaces. The Mohs hardness is usually given as 6 to 7, and the crystal habit is described as prismatic to massive. The composition is intentionally variable, typically portrayed as an iron-rich silicate alloy incorporating elements such as indium, titanium, and rare earths, which can confer high electrical conductivity and striking optical effects.

Occurrence and formation in these stories place dominiinien in extreme environments, such as deep crustal or mantle zones, in fractures where metal-silicate phases segregate, or in extraterrestrial settings like meteorites. Some formulations suggest formation through rapid cooling of silicate-metal melts or through speculative metamorphic processes unique to the fictional world.

Uses and significance within fiction often center on domains like energy conduction, structural resilience for megastructures, or as a scarce, plot-driving resource. Its extractability and synthesis are typically contested, making dominiinien a coveted material that drives conflict or alliance in the narrative.

See also: fictional minerals, speculative geology.