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Título : The molecular structure of the borate mineral rhodizite (K, Cs) Al4Be4(B, Be)12O28 – a vibrational spectroscopic study.
Autor : Frost, Ray Leslie
López, Andrés
Xi, Yunfei
Cipriano, Ricardo Augusto Scholz
Souza, Larissa
Lana, Cristiano de Carvalho
Palabras clave : Rhodizite
Borate
Beryllium
Raman spectroscopy
Infrared spectroscopy
Fecha de publicación : 2014
Citación : FROST, RAY L. et al. The molecular structure of the borate mineral rhodizite (K, Cs) Al4Be4(B, Be)12O28 – a vibrational spectroscopic study. Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 2, p. 1-12, 2014. Disponível em: <http://www.sciencedirect.com/science/article/pii/S1386142514002236>. Acesso em: 04 set. 2014.
Resumen : We have studied the borate mineral rhodizite (K, Cs)Al4Be4(B, Be)12O28 using a combination of DEM with EDX and vibrational spectroscopic techniques. The mineral occurs as colorless, gray, yellow to white crystals in the triclinic crystal system. The studied sample is from the Antandrokomby Mine, Sahatany valley, Madagascar. The mineral is prized as a semi-precious jewel. Semi-quantitative chemical composition shows a Al, Ca, borate with minor amounts of K, Mg and Cs. The mineral has a characteristic borate Raman spectrum and bands are assigned to the stretching and bending modes of B, Be and Al. No Raman bands in the OH stretching region were observed.
URI : http://www.repositorio.ufop.br/handle/123456789/3957
metadata.dc.identifier.doi: https://doi.org/10.1016/j.saa.2014.02.036
ISSN : 1386-1425
metadata.dc.rights.license: O periódico Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3466021107375.
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