basalttit
Basalttit is not a formally recognized mineral or lithology name in major geological references as of 2024. There is no mineral species named basalttit registered with the International Mineralogical Association (IMA). The term occasionally appears in informal discussions or as a possible misspelling or shorthand, and it may reflect confusion with basaltic rocks or with titanite.
In some contexts basalttit may be used as a mistaken reference to basalt, a common mafic volcanic
The term appears to be a portmanteau-like construction combining basalt with titanite, but without formal naming
See also Basalt, Basaltic rock, Basanite, Titanite, Mineral naming conventions.