Crystal structure of zirconium-rich seidozerite

被引：12
|
作者：
Pushcharovskii, DY [1 ]
Pasero, M
Merlino, S
Vladykin, NV
Zubkova, NV
Gobechiya, ER
机构：
[1] Moscow MV Lomonosov State Univ, Fac Geol, Moscow 119899, Russia
[2] Univ Pisa, Dept Earth Sci, I-56126 Pisa, Italy
[3] Russian Acad Sci, Ap Vinogradov Geochem Inst, Siberian Div, Irkutsk 664033, Russia
来源：
CRYSTALLOGRAPHY REPORTS | 2002年 / 47卷 / 02期
关键词：
Radiation; Reflection; Crystal Structure; Electron Probe; Probe Analysis;
D O I：
10.1134/1.1466492
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The crystal structure of seidozerite was refined (a Siemens P4 diffractometer, MoKalpha radiation, It 80 independent reflections, anisotropic refinement, R = 0.053). The monoclinic unit-cell parameters are a = 5.627(1) Angstrom, b = 7.134(1) Angstrom, c = 18.590(4) Angstrom, beta = 102.68(1)degrees, sp. gr. P2/c, Z = 4. The structural formula, Na1.6Ca0.275Mn0.425Ti0.575Zr0.925[Si2O7]OF, agrees well with the results of the electron probe analysis. Seidozerite is demonstrated to belong to the meroplesiotype polysomatic series including the structures of more than 30 titano- and zirconosilicates. (C) 2002 MAIK "Nauka/Interperiodica".
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收藏
页码：196 / 200
页数：5
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