The type material of bityite was found in a pegmatite dike situated about 300 meters north of the Maharitra workings, in the Sahatany Valley.
Ref:
Lacroix, A. (1912): "Sur quelques minéraux des pegmatites du Vakinankaratra (Madagascar), Soc. franc.min 35 , 76-78.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 371.
Behier, J. (1960) Contribution à la Mineralogie de Madagascar. Ann. Geol. Mad. XXIX.