arvusid
Arvusid is a fictional mineral described in speculative science fiction and worldbuilding materials. It does not correspond to any mineral or compound recognized by current science and is used chiefly as a plot device or thought experiment in hypothetical geologies and technologies.
The etymology of arvusid varies by author. In most works the name combines a fictional source, often
In the canonical fictional descriptions, arvusid forms as transparent to translucent crystals with a metallic luster.
Formation stories place arvusid in ultramafic or high-temperature mantle environments of hypothetical worlds, or as an
Within fiction and worldbuilding, arvusid is valued for speculative properties such as high energy storage density,