Fe2ioneita
Fe2ioneita is not a recognized mineral species. There is no published chemical analysis, crystallography, type specimen, or locality associated with this name in major mineral databases or the International Mineralogical Association (IMA) records. Consequently, Fe2ioneita is generally treated as an unverified or fictional designation rather than a confirmed mineral.
The form of the name suggests an iron-containing mineral, given the initial “Fe” and the typical mineral
In discussions or literature where Fe2ioneita appears, it is important to verify against authoritative sources. If
See also: list of minerals, International Mineralogical Association, hematite, magnetite, goethite, ferrihydrite.