For citations:
Ilyin G.S., Chukanov N.V., Pekov I.V., Yamnova N.A., Rastsvetaeva R.K., Yapaskurt V.O., Aksenov S.M. Pseudosymmetry and cation ordering in heterophyllosilicates. 2. Refinement of the crystal structure of Ca-bearing mineral of the perraultite series. LITHOSPHERE (Russia). 2025;25(2):221-237. (In Russ.) https://doi.org/10.24930/1681-9004-2025-25-2-221-237. EDN: YIZYIC