bariumferriiteihin
Bariumferriiteihin is not recognised as a mineral species or synthetic compound in major mineralogical databases. It does not appear in the IMA list of approved minerals, Mindat.org, or the Handbook of Mineralogy, and there is no published description providing a chemical formula, crystallography, or type locality for this name. The term may be a misspelling, a misreading, or a nonstandard designation used in a limited context, in which case its properties and identity cannot be established from available literature.
If the term is intended to indicate a barium-containing ferrite, the closest well-known material is barium ferrite,
The etymology of the name would draw from barium and ferrite, but the suffix -ihin does not