Citation: Armbruster, T. (2000). Cation distribution in Mg, Mn-bearing babingtonite from Arvigo, Val Calanca, Grisons, Switzerland Note: Sample NMBE 34974. Schweizerische Mineralogische und Petrographische Mitteilungen, 80, pp. 279-284.
Formula: Al0.03 Ca2 Fe1.366 H Mg0.344 Mn0.26 O15 Si5