Quadrupole splitting distributions in triclinic astrophyllite

被引：3
|
作者：
Li, Z
Ma, ZS
Xiong, M
Shi, NC
Ye, DN
Khomyakov, A
机构：
[1] Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
[2] China Univ Geosci, Beijing 100083, Peoples R China
[3] Moscow MV Lomonosov State Univ, Dept Geol, Moscow, Russia
来源：
EUROPEAN JOURNAL OF MINERALOGY | 2003年 / 15卷 / 04期
关键词：
Mossbauer effect; quadrupole splitting distributions; astrophyllite;
D O I：
10.1127/0935-1221/2003/0015-0707
中图分类号：
P57 [矿物学];
学科分类号：
070901 ;
摘要：
The mineral, triclinic astrophyllite, was investigated using the Mossbauer effect. The Mossbauer spectra of triclinic astrophyllite at 298 K, 180 K and 90 K were measured, and the quadrupole splitting distributions (QSDs) from the Mossbauer spectra were obtained by using a Voigt-based method for line shape analysis. The distortion parameters, the variances of the octahedral bond angles for triclinic astrophyllite, were calculated, and a site assignment was tentatively given based on the distortion parameters. According to the ratios of ferric to total iron obtained by the Mossbauer effect and the mean value of f(Fe3+(O))/f(Fe2+(O)), the chemical formula of triclinic astrophyllite was rewritten.
引用
收藏
页码：707 / 710
页数：4
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