Citation: Rastsvetaeva, R.K.; Chapuis, G.; Sapozhnikov, A.N.; Bolotina, N.B.; Kashaev, A.A.; Schoenleber, A. (2002). Average structure of cubic lazurite with a three-dimensional incommensurate modulation. Kristallografiya, 47, pp. 449-452.
Formula: Al6 Ca1.66 Na6.34 O27.52 S2.14 Si6
Chemical name:Na6.34 Ca1.66 (Al6 Si6 O24) ((S O4)0.88 S1.26)