The phosphate containing langbeinites were found in 1972 with the discovery of KTi ( PO ) .
Since then a few more phosphates that also contain titanium have been found such as Na FeTi ( PO ) , Na CrTi ( PO ) .
The phosphate containing langbeinites were found in 1972 with the discovery of KTi ( PO ) , and since then a few more phosphates that also contain titanium have been found such as Na FeTi ( PO ) , Na CrTi ( PO ) .