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SEM, EDX, Infrared and Raman spectroscopic characterization of the silicate mineral yuksporite

Authors
Publisher
Elsevier B.V.
Publication Date
Volume
137
Identifiers
DOI: 10.1016/j.saa.2014.09.001
Keywords
  • Yuksporite
  • Silicate
  • Sem
  • Edx
  • Raman Spectroscopy
  • Infrared Spectroscopy
Disciplines
  • Physics

Abstract

Abstract The mineral yuksporite (K,Ba)NaCa2(Si,Ti)4O11(F,OH)⋅H2O has been studied using the combination of SEM with EDX and vibrational spectroscopic techniques of Raman and infrared spectroscopy. Scanning electron microscopy shows a single pure phase with cleavage fragment up to 1.0mm. Chemical analysis gave Si, Al, K, Na and Ti as the as major elements with small amounts of Mn, Ca, Fe and REE. Raman bands are observed at 808, 871, 930, 954, 980 and 1087cm−1 and are typical bands for a natural zeolite. Intense Raman bands are observed at 514, 643 and 668cm−1. A very sharp band is observed at 3668cm−1 and is attributed to the OH stretching vibration of OH units associated with Si and Ti. Raman bands resolved at 3298, 3460, 3562 and 3628cm−1 are assigned to water stretching vibrations.

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