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兴安石(Xinganite)的新资料
Hingganite〔(Y,Ce) BeSi05 (OH):New Data
  
中文关键词:
英文关键词:
基金项目:
丁孝石  白鸽  袁忠信  刘金定
中国地质科学院矿床地质研究所 (丁孝石,白鸽,袁忠信)
,中国地质科学院矿床地质研究所(刘金定)
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英文摘要:
       The data of the new mineral, Hingganite, was published in Geological Review Vol. 27,No. 5 in 1981.In this paper, on the suggestion of the Committee of New Minerals and New Mineral Names of the International Mineralogical Association, the writers offer some new data as follows, 1 .With the name Hingganite replaced Yttroceberisite. 2 .Density (g/crn3):4.42 (meas.),4.45 (calc. ). 3 .Optical orientation: b=Nm, C∧Ng=+13°。 4 .X-ray powder diffraction pattern shows it to be monoclinic cell with a=4.790, b=7.545, C=9.989A.β=91° Z=4. The strongest lines are: 6.004(3) (011),4.790(5)(100),3.772(4)(020, 111),3.577(4)(021),3.462(5)(102),3.148(10) (112),2.865(10)(121),2.569(6)(113,122),2.377(3) (200,014),1.985(5) (221), 1.880(5) (213,222,040),1.681(5)(214).Rarely idiomorphic crystals with (110), (011) and (001). 5 .Wet chemical analyses of material gave(%):Si02 25.20,Fe203 1.63, Fe0 0.89,A1203 1.695,TiO2 0.103,Ca0 0.959,Mg0 0.086, Pb0 0.377, Be0 10.406,Na2O 0.39,K2O 0.775, La2O3 3.600, CeO2 13.600, PrO11 1.780, Nd2O3 6.840, Sm2O3 2.600, Eu2O3 0.050, Gd2O3 3.450, Tb2O3 0.610, Dy2O3 3.710, Ho2O3 0.560, Er2O3 1.310, Tm2O3 0.070, Yb2O3 0.570, Lu2O3 0.090, Y2O3 15.734 H2O 2.944, total 100.029. Corresponding to (Y0.33 Ce0.19 Nd0.10 La0.05 Fe3+0.05 Dy0.05 Gd0.04 Ca0.04 K0.04 Sm0.04 Na0.03 Fe2+0.03 Pr0.02 Er0.02 Tb0.01 Ho0.01 Yb0.01)Σ1.06(Be0.97 Al0.03)Σ1.00 (Si0.98 Al0.05)Σ1.03 O4.00 [(OH)0.77 O023]Σ1.00 on the basis of O=5,Or ideally (Y,Ce) BeSiO4 (OH).This is (Y. Ce) Be analongy of datolite.
丁孝石,白鸽,袁忠信,刘金定,1984,兴安石(Xinganite)的新资料[J].岩石矿物学杂志,3(1):46~48.
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