Ersödiks
Ersödiks is a fictional mineral commonly cited in speculative geology and science fiction settings. The name is derived from the fictional Ersö region, with the -diks suffix used in the imagined mineral taxonomy to denote a silicate phase.
Description: In texts where Ersödiks appears, it is described as an erbium-rich silicate with traces of aluminum
Occurrence and formation: In the fictional geography, Ersödiks forms under high-pressure metamorphic conditions in subduction-related environments
Uses and significance: In narrative contexts, pure or gem-quality Ersödiks is described as a valuable gemstone
See also: fictional minerals, speculative geology, Ersö region.