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The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(Н2О)6, а complex phosphate-carbonate hydrate based upon electroneutral heteropolyhedral layers. / Krivovichev, S.V.; Chernyatieva, A.P.; Britvin, S.N.; Yakovenchuk, V.N.

In: Russian Geology and Geophysics, Vol. 56, No. 1-2, 2015, p. 155-163.

Research output: Contribution to journal › Article

Harvard

Krivovichev, SV, Chernyatieva, AP, Britvin, SN & Yakovenchuk, VN 2015, 'The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(Н2О)6, а complex phosphate-carbonate hydrate based upon electroneutral heteropolyhedral layers', Russian Geology and Geophysics, vol. 56, no. 1-2, pp. 155-163. https://doi.org/10.1016/j.rgg.2015.01.009

APA

Krivovichev, S. V., Chernyatieva, A. P., Britvin, S. N., & Yakovenchuk, V. N. (2015). The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(Н2О)6, а complex phosphate-carbonate hydrate based upon electroneutral heteropolyhedral layers. Russian Geology and Geophysics, 56(1-2), 155-163. https://doi.org/10.1016/j.rgg.2015.01.009

Vancouver

Krivovichev SV, Chernyatieva AP, Britvin SN, Yakovenchuk VN. The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(Н2О)6, а complex phosphate-carbonate hydrate based upon electroneutral heteropolyhedral layers. Russian Geology and Geophysics. 2015;56(1-2):155-163. https://doi.org/10.1016/j.rgg.2015.01.009

Author

Krivovichev, S.V. ; Chernyatieva, A.P. ; Britvin, S.N. ; Yakovenchuk, V.N. / The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(Н2О)6, а complex phosphate-carbonate hydrate based upon electroneutral heteropolyhedral layers. In: Russian Geology and Geophysics. 2015 ; Vol. 56, No. 1-2. pp. 155-163.

BibTeX

@article{88035252ac5543d29845d37ded17f8f1,
title = "The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(Н2О)6, а complex phosphate-carbonate hydrate based upon electroneutral heteropolyhedral layers",
abstract = "The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(H2O)6, has been refined using X-ray diffraction data collected at 173 K, which allowed us to revise its crystal chemical formula. The mineral is monoclinic, P21/c, a = 6.4784(2), b = 12.2313(3), c = 21.3494(6) {\AA}, β = 89.624(2)º, V = 1691.67(8) {\AA}3 (at 173 K), Z = 4, R1 = 0.037 for 6471 unique observed reflections. The crystal structure of girvasite contains three Mg, two Ca, and one Na sites. The Mg atoms are octahedrally coordinated by O atoms and H2O molecules. The Ca sites are coordinated by eight anions each, whereas the Na site has a coordination number equal to seven. The crystal structure is based upon heteropolyhedral sheets formed by polymerization of Mg octahedra, PO4 tetrahedra, and CO3 groups. The sheets consist of fundamental building units (FBUs) formed by two Mg octahedra that share edges to form dimers decorated by three PO4 tetrahedra and linked to a unit consisting of a MgO6 octahedron sharing an edge with a carbonate triangle. The FBUs",
author = "S.V. Krivovichev and A.P. Chernyatieva and S.N. Britvin and V.N. Yakovenchuk",
year = "2015",
doi = "10.1016/j.rgg.2015.01.009",
language = "English",
volume = "56",
pages = "155--163",
journal = "Russian Geology and Geophysics",
issn = "1068-7971",
publisher = "Elsevier",
number = "1-2",

}

RIS

TY - JOUR

T1 - The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(Н2О)6, а complex phosphate-carbonate hydrate based upon electroneutral heteropolyhedral layers

AU - Krivovichev, S.V.

AU - Chernyatieva, A.P.

AU - Britvin, S.N.

AU - Yakovenchuk, V.N.

PY - 2015

Y1 - 2015

N2 - The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(H2O)6, has been refined using X-ray diffraction data collected at 173 K, which allowed us to revise its crystal chemical formula. The mineral is monoclinic, P21/c, a = 6.4784(2), b = 12.2313(3), c = 21.3494(6) Å, β = 89.624(2)º, V = 1691.67(8) Å3 (at 173 K), Z = 4, R1 = 0.037 for 6471 unique observed reflections. The crystal structure of girvasite contains three Mg, two Ca, and one Na sites. The Mg atoms are octahedrally coordinated by O atoms and H2O molecules. The Ca sites are coordinated by eight anions each, whereas the Na site has a coordination number equal to seven. The crystal structure is based upon heteropolyhedral sheets formed by polymerization of Mg octahedra, PO4 tetrahedra, and CO3 groups. The sheets consist of fundamental building units (FBUs) formed by two Mg octahedra that share edges to form dimers decorated by three PO4 tetrahedra and linked to a unit consisting of a MgO6 octahedron sharing an edge with a carbonate triangle. The FBUs

AB - The crystal structure of girvasite, NaCa2Mg3(PO4)3(CO3)(H2O)6, has been refined using X-ray diffraction data collected at 173 K, which allowed us to revise its crystal chemical formula. The mineral is monoclinic, P21/c, a = 6.4784(2), b = 12.2313(3), c = 21.3494(6) Å, β = 89.624(2)º, V = 1691.67(8) Å3 (at 173 K), Z = 4, R1 = 0.037 for 6471 unique observed reflections. The crystal structure of girvasite contains three Mg, two Ca, and one Na sites. The Mg atoms are octahedrally coordinated by O atoms and H2O molecules. The Ca sites are coordinated by eight anions each, whereas the Na site has a coordination number equal to seven. The crystal structure is based upon heteropolyhedral sheets formed by polymerization of Mg octahedra, PO4 tetrahedra, and CO3 groups. The sheets consist of fundamental building units (FBUs) formed by two Mg octahedra that share edges to form dimers decorated by three PO4 tetrahedra and linked to a unit consisting of a MgO6 octahedron sharing an edge with a carbonate triangle. The FBUs

U2 - 10.1016/j.rgg.2015.01.009

DO - 10.1016/j.rgg.2015.01.009

M3 - Article

VL - 56

SP - 155

EP - 163

JO - Russian Geology and Geophysics

JF - Russian Geology and Geophysics

SN - 1068-7971

IS - 1-2

ER -

ID: 4000645