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The crystal structure of paranatisite, ideally Na4 [Ti O Ti O (SiO4)2], from the Khibina–Lovozero alkaline complex, Kola Peninsula, Russia, a 9.181(2), b 4.800(1), c 9.811(2) Å, V 432.37(1) Å3 has been refined in the space group Pmc21 (Z = 2) to a residual R value of 5.1% using 651 observed (| Fo | > 4 F)
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Hydrothermal Synthesis and Successive Transformation of Paranatisite into Natisite. Authors: Kostov-Kytin, V.; Ferdov, S.; Petrov, O. Publication: ...
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Improved powder diffraction patterns for synthetic paranatisite and natisite. Authors: Ferdov, S. Publication: Powder Diffraction, vol. 17, issue 3, p. 234 ...
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Paranatisite (dense), Na8Ti3.5O2(OH)2(SiO4)4, 0.88, Image ... S7, 8.5, 0.30, 0.28, 2.55, Sitinakite + paranatisite + natisite, Natisite + paranatisite ...
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Oct 1, 2007 ... two dense materials synthetic structural analogous of the minerals paranatisite [14] and natisite [15] and [16]. ...
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Na2TiSiO5 dimorph prepared from melt (paranatisite, ... For ramzaite Na2Ti2Si2O9 (RAM) and a dimorph of natisite (NAT), namely, paranatisite Na2TiSiO5 ...
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the mineral paranatisite [7], allowed the interpretation ..... paranatisite is described by the acentric sp. gr. Pmc21 and consists of the same structural ...
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Paranatisite - Wikipedia
La paranatisite è un minerale. Webmin Silicati
it.wikipedia.org/wiki/Paranatisite |
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For ramzaite Na2Ti2Si2O9 (RAM) and a dimorph of natisite (NAT), namely, paranatisite Na2TiSiO5 (PNAT), computer techniques (the TOPOS 4.0 program package) ...
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Nous avons affiné la structure cristalline de la paranatisite, de formule idéale Na 4 [Ti O Ti O(SiO 4 ) 2 ], provenant du complexe alcalin de ...
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