Citation: Barbier, J. (1995). Structure refinemant of Na2(Mg,Fe)6(Ge,Fe)6O18O2 a new aenigmatite-analog. Zeitschrift fuer Kristallographie (149,1979-), 210, pp. 19-23.
Formula: Fe2.8 Ge5.6 Mg3.6 Na2 O20
Chemical name:Na2 (Mg3.6 Fe2.4) (Ge5.6 Fe0.4 O18) O2