Citation: Mellini, M.; Merlino, S.; Pasero, M. (1984). X-ray and HRTEMN study of sursassite:Crystal structure stacking disorder, and sursassite-pumpellyite intergrowth. Physics and Chemistry of Minerals (Germany), 10, pp. 99-105.
Formula: Al2.3 Ca0.3 Fe0.1 H3.3 Mg0.3 Mn2 O14 Si3
Chemical name:(Mn1.7 Ca0.3) (Al2.3 Mg0.3 Mn0.3 Fe0.1) (Si3 O10.7) (O H)3.3