Kemenem

Kemenem is a fictional mineral featured in speculative fiction and role-playing settings. It is typically described as a dense, crystalline substance with an iridescent sheen that shifts color in different lights. In many depictions, kemenem can store or channel energy, making it valuable for advanced technologies in starships, weapons, or power systems.

Origins and formation are usually tied to extreme environments. Writers place kemenem in deep asteroid belts, presolar grains, or geothermally active worlds where high pressures and unique mineral chemistries occur. The term is often derived from a constructed language within the setting, and there is no single universal etymology across all works.

Typical properties attributed in fiction include high density, good thermal conductivity, and the ability to alter its electronic structure under magnetic fields. Its color ranges from pale lavender to cobalt blue, depending on trace elements. It is generally described as forming in small ore veins and requiring specialized processing to extract usable material.

Applications in stories include energy storage, superconducting-like behavior, and defensive shielding. Because of its rarity and versatile fictional properties, kemenem is sometimes used as a plot device or as a currency in certain settings.

See also: fictional minerals, metamaterials, energy storage in fiction.