sulfidia
Sulfidia is a term that does not have a widely accepted definition in current scientific literature. It is not listed as a formal chemical name, mineral species, or taxonomic designation in major reference works. Because it is not standardized, its meaning is highly context-dependent and in practice appears mostly in fictional, speculative, or informal usages. The word seems to be a coined form derived from sulfur, with the -idia suffix suggesting a collective or material name, but there is no consensus on its precise meaning.
In chemistry, established terminology uses sulfide, sulfates, sulfites, and related sulfur-containing terms. If sulfidia is encountered
In geology or mineralogy, no mineral species named sulfidia is recognized by the International Mineralogical Association.
In fiction and popular media, sulfidia may be used as a fictional material or energy source with
Etymology: the form appears to be built from the root sulfur and the suffix -idia, but its
See also: sulfur, sulfide, sulfite, sulfate, organosulfur compounds, sulfur cycle.