Citation: Lykova, I.; Rowe, R.; Poirier, G.; Helwig, K.; Friis, H. (2020). Manganoarrojadite-(KNa), KNa5MnFe13Al(PO4)11(PO3OH)(OH)2, a new arrojadite-group mineral from the Palermo No. 1 mine, New Hampshire, USA. Mineralogical Magazine, 84, pp. 932-940.
Formula: Al Ca0.12 Fe9.1 K0.874 Mg1.1 Mn3.68 Na4.752 O50 P12