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期刊论文

Syntactic Intergrowth Structure in the Calcium Rare Earth Fluorocarbonate Minerals

孟大维Wu Xiuling Meng Dawei Yang Guangming Pan Zhaolu Li Douxing Dai Jiyan Hu Kuiyi

JOURNAL OF RARE EARTHS, 1998, Vol. 16, No.3,-0001,():

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摘要/描述

The microst ructural characteristics of syntactic polycrystal in the calcium rare earth fluorocarbonate minerals f rom Southwest China have been studied by means of selected area elec t ron diff raction and high resolution elect ron microscopy (HREM). The complication of the hetero geneous fabric of the minerals have been revealed by HREM. The result s show that the crystal st ructure of the minerals was formed by a disorder stacking of the unit layers of bast naesite and synchisite in the calcium rare earth fluorocarbonate minerals along c direction. The stacking fault and other crystal defect s in the syntactic polycrystal have been discussed.

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