Citation: Armbruster, T. (2000). Cation distribution in Mg, Mn-bearing babingtonite from Arvigo, Val Calanca, Grisons, Switzerland Note: Sample Arvigo 1, NMBE 34973. Schweizerische Mineralogische und Petrographische Mitteilungen, 80, pp. 279-284.
Formula: Al0.08 Ca2 Fe1.513 H Mg0.197 Mn0.21 O15 Si5