Crystal structure of new micalike titanosilicate -: Bussenite, Na2Ba2Fe2+[TiSi2O7][CO3]O(OH)(H2O)F

被引：22
作者：
Zhou, H [1 ]
Rastsvetaeva, RK
Khomyakov, AP
Ma, Z
Shi, N
机构：
[1] China Univ Geosci, Wuhan 430074, Peoples R China
[2] Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 117333, Russia
[3] Inst Mineral Geochem & Crystal Chem Rare Elements, Moscow 121357, Russia
[4] China Univ Geosci, Beijing 100083, Peoples R China
来源：
CRYSTALLOGRAPHY REPORTS | 2002年 / 47卷 / 01期
基金：
俄罗斯基础研究基金会; 中国国家自然科学基金;
关键词：
Reflection; Crystal Structure; Interlayer Space; Kola Peninsula; Carbonate Group;
D O I：
10.1134/1.1446908
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The crystal structure of mineral bussenite, Na2Ba2Fe[TiSi2O7][CO3]O(OH)(H2O)F, found in the Khibiny massif (the Kola Peninsula) has been determined. The parameters of the triclinic unit-cell are a = 5.399(3) Angstrom, b = 7.016(9) Angstrom, c = 16.254(14) Angstrom, alpha = 102.44(8)degrees, beta = 93.18(6)degrees, gamma = 90.10(7)degrees, sp. gr. P (1) over bar, R = 0.054 for 1418 reflections with \F\ > 2.5sigma(F). The mineral studied belongs to the family of layered titanosilicates, in which, unlike the sulfate- and phosphate-containing representatives of this family, the interlayer spaces are filled with carbonate groups. (C) 2002 MAIK "Nauka/Interperiodica".
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页码：43 / 46
页数：4
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