Abstract
Hydrogen-bearing vuonnemite from the Shkatulka hyperagpaitic pegmatite (the Lovozero alkaline massif, Kola Peninsula) was studied by single-crystal X-ray diffraction. The triclinic unit-cell parameters are as follows: a = 5.4712(1) Å, b = 7.1626(1) Å, c = 14.3702(3) Å, α = 92.623(2)°, β = 95.135(1)°, γ = 90.440(1)°, sp. gr. P1, R = 3.4%. The Na+ cations and H2O molecules are ordered in sites between the packets. The water molecules are hydrogen bonded to the PO4 tetrahedra.
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Original Russian Text © R.K. Rastsvetaeva, S.M. Aksenov, I. A. Verin, I.S. Lykova, 2011, published in Kristallografiya, 2011, Vol. 56, No. 3, pp. 441–444.
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Rastsvetaeva, R.K., Aksenov, S.M., Verin, I.A. et al. Crystal structure of hydrogen-bearing vuonnemite from the Lovozero alkaline massif. Crystallogr. Rep. 56, 407–410 (2011). https://doi.org/10.1134/S1063774511030266
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DOI: https://doi.org/10.1134/S1063774511030266