Citation: Scordari, F.; Schingaro, E.; Lacalamita, M.; Mesto, E. (2012). Crystal chemistry of trioctahedral micas-2M_1 from Bunyaruguru kamafugite (southwest Uganda) Note: BU3_12. American Mineralogist, 97, pp. 430-439.
Formula: Al1.1 Ba0.01 Ca0.01 Fe0.55 K0.91 Mg2 Na0.04 O11.98 Si2.96 Ti0.38
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al8 Fe10 Mg6 O24 Si8 Ti4 (Al4 Fe5 Mg3 O12 Si4 Ti2)
Multiplicity: 1