A SEM, EDS and vibrational spectroscopic study of the clay mineral fraipontite.
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Date
2015
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Abstract
The mineral fraipontite has been studied by using a combination of scanning electron microscopy with energy dispersive analysis and vibrational spectroscopy (infrared and Raman). Fraipontite is a member of the 1:1 clay minerals of the kaolinite-serpentine group. The mineral contains Zn and Cu and is of formula
(Cu,Zn,Al)3(Si,Al)2O5(OH)4. Qualitative chemical analysis of fraipontite shows an aluminium silicate mineral with amounts of Cu and Zn. This kaolinite type mineral has been characterised by Raman and infrared spectroscopy; in this way aspects about the molecular structure of fraipontite clay are elucidated.
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Keywords
Fraipontite, Phyllosilicate, Kaolinite, Raman spectroscopy, Infrared spectroscopy
Citation
THEISS, F. L. et al. A SEM, EDS and vibrational spectroscopic study of the clay mineral fraipontite. Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 147, p. 230-234, 2015. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1386142515004035>. Acesso em: 08 set. 2015.