Minerals from Macedonia. XXX. Complementary use of vibrational spectroscopy and X-ray powder diffraction for spectra-structural study of some cyclo-, phyllo- and tectosilicate minerals. A review

Abstract

<p>A review of the results of the complementary use of vibrational spectroscopy (infrared and Raman) and X-ray powder diffraction in the process of identification and spectra–structure correlation of some cyclo-, phyllo- and tectosilicate minerals originating from the Republic of Macedonia             is presented. The following minerals are studied: schorl, Na(Fe²⁺,Mg)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄;               beryl, (Be,Mg)₃Al₂Si₆O₁₈; chrysotile, Mg₃Si₂O₅(OH)₄; antigorite, (Mg,Fe²⁺)₃Si₂O₅(OH)₄; talc, (Mg,Fe²⁺)₃Si₄O₁₀(OH)₂; clinochlore, (Mg,Fe²⁺)₅Si₃(Al,Cr)₂O₁₀(OH)₈; cymrite, BaAl₂Si₂O₈×H₂O; mont­morillonite, (K,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂×nH₂O; muscovite, KAl₂(Si₃Al)O₁₀(OH,F)₂; phlogopite, KMg₃(Si₃Al)O₁₀(OH,F)₂; biotite, K(Mg,Fe²⁺)₃AlSi₃O₁₀(OH,F)₂; sheridanite, (Mg,Al)₆(Si,Al)₄O₁₀(OH)₈; albite, NaAlSi₃O₈; microcline, KAlSi₃O₈; sanidine, (K,Na)(Si,Al)₄O₈ and stilbite, Na₃Ca₃Al₈Si₂₈O₇₂×30H₂O.</p>