Citation: Rastsvetaeva, R. K.; Chukanov, N. V.; Pekov, I. V.; Shlyukova, Z. V.; Khomyakov, A. P. (1998). Structures of two potassium-rich labuntsovites in relation to the crystal chemistry of minerals of the labuntsovite-nenadkevichite family Sample: II. Crystallography Reports, 43, pp. 820-827.