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FERROTAAFFEITE-2N ' 2S, A NEW MINERAL SPECIES, AND THE CRYSTAL STRUCTURE OF Fe2+-RICH MAGNESIOTAAFFEITE-2N ' 2S FROM THE XIANGHUALING TIN-POLYMETALLIC ORE FIELD, HUNAN PROVINCE, CHINA

文献类型：期刊论文

作者Yang, Zhuming1; Ding, Kuishou1; De Fourestier, Jeffrey2; Mao, Qian1; Li, He1
刊名CANADIAN MINERALOGIST
出版日期2012-02-01
卷号50期号:1页码:21-29
关键词ferrotaaffeite-2N'2S new mineral species magnesiotaaffeite-2N'2S taaffeite group Xianghualing tin mine Tanzanian LM felsic magmatism China
ISSN号0008-4476
DOI10.3749/canmin.50.1.21
文献子类Article
英文摘要Ferrotaaffeite-2N'2S, ideally BeFe3Al8O16 with hexagonal symmetry P6(3)mc, is a new mineral species of the taaffeite group (IMA No. 2011-025) occurring as a skarn mineral in the Xianghualing Sn-polymetallic ore field, Linwu County, Hunan Province, People's Republic of China. It was found near the outer contact of the Laizhiling A-type granite pluton and in the Middle-Upper Devonian carbonate rocks of the Qiziqiao Formation. The associated minerals are Fe2+-rich magnesiotaaffeite-2N'2S, ferronigerite-2N1S, cassiterite, liberite, pyrite, sphalerite, pyrrhotite, galena, spinel, and phlogopite. The mineral forms tabular crystals about 100 mu m in size. It is dark green to dark grey with a white streak, transparent, and has a vitreous lustre. Cleavage is fair on {001}. It is brittle, with a conchoidal fracture. The hardness is VHN50 1801-2404 kg/mm(2) (8.5-9 on the Mohs scale). No fluorescence in long- or short-wave ultraviolet radiation was observed. The calculated density from the empirical chemical formula is 3.99 g/cm(3). The Gladstone-Dale relationship gives N-calc = 1.82. The empirical formula for the investigated ferrotaaffeite-2N'2S is Be(Fe1.39Mg0.97Zn0.42Mn0.17Sn0.03)(Sigma 2.98)Al7.99O16,. The simplified formula is Be(Fe, Mg, Zn)(3)Al8O16. The strongest five reflections in the X-ray powder diffraction pattern [d in angstrom (I) hkl] are: 2.43(100) 114, 2.60(90) 016, 1.425(90)220, 2.86(80) 110, and 1.473(80) 0210. The unit-cell parameters refined from the powder data are a 5.706(8), c 18.352(3) angstrom, and V 517.46(8) angstrom(3), Z = 2. The associated Fe2+-rich magnesiotaaffeite-2N'2S has empirical formula Be(Mg1.54Fe0.98Zn0.38Mn0.14Sn0.02)(Sigma 3.06)Al7.95O16. Its structure was solved and refined in space group P6(3)mc, with a 5.6978(8), b 5.6978(8), c 18.373(4) angstrom, V 516.57(15) angstrom(3), to R-1 = 0.043, wR(2) = 0.137.
WOS关键词NOMENCLATURE ; TAAFFEITE
WOS研究方向Mineralogy
语种英语
WOS记录号WOS:000308796000002
出版者MINERALOGICAL ASSOC CANADA
资助机构National Natural Science Foundation of China(40872044) ; National Natural Science Foundation of China(40872044) ; National Natural Science Foundation of China(40872044) ; National Natural Science Foundation of China(40872044) ; National Natural Science Foundation of China(40872044) ; National Natural Science Foundation of China(40872044) ; National Natural Science Foundation of China(40872044) ; National Natural Science Foundation of China(40872044)
源URL[http://ir.iggcas.ac.cn/handle/132A11/84508]  
专题中国科学院地质与地球物理研究所
通讯作者Yang, Zhuming
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Engn Geomech, Beijing 100029, Peoples R China
2.Mineral Res & Consulting, Gatineau, PQ J9H 4H3, Canada
推荐引用方式
GB/T 7714		 Yang, Zhuming,Ding, Kuishou,De Fourestier, Jeffrey,et al. FERROTAAFFEITE-2N ' 2S, A NEW MINERAL SPECIES, AND THE CRYSTAL STRUCTURE OF Fe2+-RICH MAGNESIOTAAFFEITE-2N ' 2S FROM THE XIANGHUALING TIN-POLYMETALLIC ORE FIELD, HUNAN PROVINCE, CHINA[J]. CANADIAN MINERALOGIST,2012,50(1):21-29.
APA Yang, Zhuming,Ding, Kuishou,De Fourestier, Jeffrey,Mao, Qian,&Li, He.(2012).FERROTAAFFEITE-2N ' 2S, A NEW MINERAL SPECIES, AND THE CRYSTAL STRUCTURE OF Fe2+-RICH MAGNESIOTAAFFEITE-2N ' 2S FROM THE XIANGHUALING TIN-POLYMETALLIC ORE FIELD, HUNAN PROVINCE, CHINA.CANADIAN MINERALOGIST,50(1),21-29.
MLA Yang, Zhuming,et al."FERROTAAFFEITE-2N ' 2S, A NEW MINERAL SPECIES, AND THE CRYSTAL STRUCTURE OF Fe2+-RICH MAGNESIOTAAFFEITE-2N ' 2S FROM THE XIANGHUALING TIN-POLYMETALLIC ORE FIELD, HUNAN PROVINCE, CHINA".CANADIAN MINERALOGIST 50.1(2012):21-29.

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来源：地质与地球物理研究所

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