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Title: Structural investigation of K-feldspar KAlSi3O8 crystals by XRD and Raman spectroscopy: an application to petrological study of Luc Yen Pegmatites, Yen Bai Province, Vietnam
Authors: Huong, L.T.T.
Nhung, N.T.
Kien, N.D.T.
Zubko, Maciej
Hager, T.
Hofmeister, W.
Keywords: raman spectroscopy; aluminum silicates
Issue Date: 2016
Citation: Acta Physica Polonica. A, Vol. 130, nr 4 (2016), s. 892-893
Abstract: K-feldspars in pegmatites from Luc Yen gem mining area, Yen Bai province, Vietnam were studied by X-ray fluorescence, X-ray powder diffraction and the Raman spectroscopy. Chemical analysis determined the K-feldspars in the form of (K0:8909Na0:0388Ca0:002Pb0:0042Cs0:0024Rb0:0338)(Al0:9975Fe0:0053Ti0:0004)Si2:988O8. Both X-ray powder diffraction and Raman spectroscopy indicated Luc Yen K-feldspars as orthoclase phase. Together with the values of Al content of the T1 tetrahedral sites in orthoclase, it is understood that Luc Yen pegmatites are of young ages (Cenozoic) and shallow intrusive types.
DOI: 10.12693/APhysPolA.130.892
ISSN: 0587-4246
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