| 中国二八面体含铝蒙皂石矿物化学和晶体化学的特征 |
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| 引用本文： | 潘建强,孔佑华.中国二八面体含铝蒙皂石矿物化学和晶体化学的特征[J].矿物学报,1993,13(4):293-302. |
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| 作者姓名： | 潘建强 孔佑华 |
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| 作者单位： | 浙江省地质矿产研究所，浙江省地质矿产研究所，浙江省地质矿产研究所 杭州 310007，杭州 310007，杭州 310007 |
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| 摘 要： | 通过对我国６４个二八面体含铝蒙皂石矿物化学及晶体化学数据的统计分析，研究了它们的矿物化学及晶体化学的基本特征，并得出八面体组分是影响蒙皂石矿物学及物理化学性质的主要因素，在此基础上，利用ＡｌＡｌ－ＡｌＦｅ－ＡｌＭｇ三角图划分了我国二八面体含铝蒙皂石的晶体化学类型，并对原分类图进行了模式化处理，使ＡｌＡｌ－ＡｌＦｅ－ＡｌＭｇ图更具实际意义，蒙皂石的阳离子交换容量与晶体化学模型有对应性，并受八面体三价
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| 关 键 词： | 蒙皂石 矿物化学 晶体化学 含铝 |
MINERAL AND CRYSTAL CHEMISTRY OF Al-CONTAINING DIOCTAHEDRAL SMECTITE FROM CHINA |
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| Pan Jianqiang,Kong Youhua,Xie Jianbiao Institute of Geology and Mineral Resources of Zhejiang Province,Hangzhou.MINERAL AND CRYSTAL CHEMISTRY OF Al-CONTAINING DIOCTAHEDRAL SMECTITE FROM CHINA[J].Acta Mineralogica Sinica,1993,13(4):293-302. |
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| Authors: | Pan Jianqiang Kong Youhua Xie Jianbiao Institute of Geology and Mineral Resources of Zhejiang Province Hangzhou |
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| Institution: | Pan Jianqiang,Kong Youhua,Xie Jianbiao Institute of Geology and Mineral Resources of Zhejiang Province,Hangzhou,310007 |
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| Abstract: | Essential mineral and crystal chemistry data of 64 Al-containing dioctahedral smectitesamples from China are statistically analyzed, showing that the octahedral composition is amain factor affecting the mineralogical and physico-chemical properties of smectite. On thisbasis, the crystal chemical types of Al-containing dioctahedral smectite have been classifiedusing the AlAl-AlFe-AlMg triangular diagram, and the original classification diagram hasbeen modelled. This will make the AlAl--AlFe--AlMg triangular diagram be of more practi-cal significance. The cation exchange capacity of Al-containing dioctahedral smectite iscorrelated with its crystal chemical type, and is controlled by the trivalent cation Fe~(3+) andthe bivalent cation Mg~(2+). |
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| Keywords: | Al-containing dioctahedral smectite statisticaly characteristic crystal chemical type cation exchange capacity |
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