(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Laurs, B. M.; Pezzotta, F.; Simmons, W.; Falster, A. U & Muhlmeister, S. (2002): Rhodizite-londonite from the Antsongombato pegmatite, Central Madagascar. Gems & Mineralogy. 38 (4), 326-339