Raman and infrared spectroscopic study of turquoise minerals
Cejka, Jiri, Sejkora, Jiří, Macek, Ivo, Malíková, Radana, Wang, Lina, Scholz, Ricardo, Xi, Yunfei, & Frost, Ray L. (2015) Raman and infrared spectroscopic study of turquoise minerals. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 149, pp. 173-182.
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Raman and infrared spectra of three well-defined turquoise samples, CuAl6(PO4)4(OH)8·4H2O, from Lavender Pit, Bisbee, Cochise county, Arizona; Kouroudaiko mine, Faleme river, Senegal and Lynch Station, Virginia were studied, interpreted and compared. Observed Raman and infrared bands were assigned to the stretching and bending vibrations of phosphate tetrahedra, water molecules and hydroxyl ions. Approximate O–H⋯O hydrogen bond lengths were inferred from the Raman and infrared spectra. No Raman and infrared bands attributable to the stretching and bending vibrations of (PO3OH)2− units were observed.
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|Item Type:||Journal Article|
|Keywords:||Turquoise, Phosphate, Hydroxyl ions, Raman spectroscopy, Infrared spectroscopy|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2015 Elsevier|
|Copyright Statement:||Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International: 10.1016/j.saa.2015.04.029|
|Deposited On:||27 May 2015 01:35|
|Last Modified:||26 Jun 2015 16:56|
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