Fadeerumine

Fadeerumine is a fictional mineral described in speculative geology and science fiction narratives. It is often depicted as having luminescent properties and potential energy-storage capabilities, making it a recurring plot element in stories about advanced materials.

The name is typically derived from a fictional locality or from a portmanteau of fade and erumine, and it first appeared in modern science fiction texts. Etymology varies by author, but consensus treats it as a mineral-like entity.

In fictional accounts, fadeerumine is said to form in metamorphosed ultramafic rocks via metasomatic processes, commonly near fault zones or hydrothermal conduits. It is described as an accessory or trace mineral, not usually a major constituent of rock.

Descriptions of its physical properties vary, but fadeerumine is commonly portrayed as colorless to pale blue with a glassy to vitreous luster. Reported hardness ranges around 6 to 7 on the Mohs scale; crystals are described as prismatic or stubby, with weak to moderate cleavage and low to moderate density.

Chemically, many depictions treat fadeerumine as a complex aluminosilicate or oxide-silicate solid solution with variable iron, magnesium, and trace rare elements. No fixed formula is agreed upon; the material is treated as variable in fiction.

In literature and media, fadeerumine is sometimes imagined as a photoluminescent or energy-dense material suitable for miniature power cells, sensors, or nanophotonic components. Its speculative nature makes it a convenient device for world-building around advanced mining, geology, and materials science.

Real-world status: there are no verified samples of fadeerumine. The term exists primarily in fiction, speculative essays, and game lore, where it serves as a hypothetical mineral to explore mineralogy concepts.