Citation: Piilonen, P.C.; McDonald, A.M.; Lalonde, A.E. (2001). Kupletskite polytypes from the Lovozero massif, Kola peninsula, Russia: kupletskite-1A and kupletskite-Ma2b2c. European Journal of Mineralogy (1,1989-), 13, pp. 973-984.
Formula: Ca0.356 F H4 K2 Mg0.64 Mn5.926 Na1.026 Nb0.104 O30 Si8 Ti1.896
Chemical name: K2 Na1.026 Ca0.356 (Mn5.926 Mg0.64) (Ti1.896 Nb0.104) Si8 O26 (O H)4 F
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: F K4 Mg3 Mn7 Na2 Nb2 O30 Si8 Ti2 (F K4 Mg3 Mn7 Na2 Nb2 O30 Si8 Ti2)
Multiplicity: 1