MINERALS FROM MACEDONIA. X-RAY POWDER DIFFRACTION vs. VIBRATIONAL SPECTROSCOPY IN MINERAL IDENTIFICATION

Jovanovski, Gligor; Makreski, Petre; Kaitner, Branko; Šoptrajanov, Bojan

doi:10.20903/csnmbs.masa.2009.30.1-2.22

Cited by 6 publications

(5 citation statements)

References 18 publications

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“…A systematic process of investigation of the minerals originating from the Republic of Macedonia in the course of the last 25 years has been undertaken [e. g. [16][17][18][19][20] (only a selection of our few review articles and one monograph is given). Minerals are mainly studied by Fourier transform infrared (FT IR) and micro-Raman spectroscopy as well as by X-ray powder diffraction (XRPD) [21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

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

Jovanovski

Makreski

2016

Maced. J. Chem. Chem. Eng.

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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(Fe 2+ ,Mg)3Al6(BO3)3Si6O18(OH)4; beryl, (Be,Mg)3Al2Si6O18; chrysotile, Mg3Si2O5(OH)4; antigorite, (Mg,Fe 2+ )3Si2O5(OH)4; talc, (Mg,Fe 2+ )3Si4O10(OH)2; clinochlore, (Mg,Fe 2+ )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,Fe 2+ )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. Keywords: vibrational spectroscopy; infrared; Raman; X-ray powder diffraction; identification; cyclosilicate; phyllosilicate; tectosilicate; minerals МИНЕРАЛИ ОД МАКЕДОНИЈА. XXX. КОМПЛЕМЕНТАРНО КОРИСТЕЊЕ НА ВИБРАЦИОНАТА СПЕКТРОСКОПИЈА И НА РЕНДГЕНСКАТА ДИФРАКЦИЈА ОД ПРАШОК ПРИ СПЕКТАР-СТРУКТУРНИ ИСТРАЖУВАЊА НА НЕКОИ ЦИКЛО-, ФИЛО-И ТЕКТОСИЛИКАТНИ МИНЕРАЛИ. ПРЕГЛЕДНА СТУДИЈА Даден е преглед на резултатите од комплементарното користење на вибрационата спектроскопија (инфрацрвена и раманска) и на рендгенската дифракција од прашок при идентификација и спектар-структурни корелации на некои цикло-, фило-и тектосиликатни минерали по потекло од Република Македонија. Изучувани се следните минерали: шерл, Na(Fe 2+ ,Mg)3Al6(BO3)3Si6O18(OH)4; берил, (Be,Mg)3Al2Si6O18; хризотил, Mg3Si2O5(OH)4; антигорит, (Mg,Fe 2+ )3Si2O5(OH)4; талк, (Mg,Fe 2+ )3Si4O10(OH)2; клинохлор, (Mg,Fe 2+ )5Si3(Al,Cr)2O10(OH)8; цимрит, BaAl2Si2O8H2O; монтморилонит, (K,Ca)0.3(Al,Mg)2Si4O10(OH)2nH2O; мусковит, KAl2(Si3Al)O10(OH,F)2; флогопит, KMg3(Si3Al)O10(OH,F)2; биотит, K(Mg,Fe 2+ )3AlSi3O10(OH,F)2; шериданит, (Mg,Al)6(Si,Al)4O10(OH)8; албит, NaAlSi3O8; микроклин, KAlSi3O8; санидин, (K,Na)(Si,Al)4O8 и стилбит, Na3Ca3Al8Si28O7230H2O. Клучни зборови: вибрациона спектроскопија; инфрацрвена; раманска; рендгенска дифракција од прашок; идентификација; циклосиликати; филосиликати; тектосиликати; минерали G. Jovanovski, P. Makreski Maced. J. Chem. Chem. Eng. 35 (2), 125-155 (2016)

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Section: Introductionmentioning

confidence: 99%

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

Jovanovski

Makreski

2016

Maced. J. Chem. Chem. Eng.

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“…Taylor et al In order to confirm the insights obtained by infrared spectroscopy, the X-ray diagrams of the studied samples were obtained. 27 Several peaks in their X-ray patterns 32 (not shown here) were not typical for hematite and were attributed to the presence of talc and orthochrysotile impurities in the Ržanovo sample as well as to the quartz impurities in the Damjan sample (Table 4).…”

Section: Our Work Damjan Ržanovomentioning

confidence: 93%

Crossroads of vibrational (infrared and Raman) spectroscopy and X-ray powder diffraction in identification and characterization of some minerals – advantages and limitations. A review

Makreski,

Pejov,

Jovanovski

2024

Maced. J. Chem. Chem. Eng.

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Many analytical methods have been successfully employed for the study of minerals, in particular, vibrational infrared (FTIR) and Raman spectroscopies and X-ray powder diffraction (XRPD). The advantages of the vibrational spectroscopic techniques for identifying and characterizing minerals include: rapid and versatile use; qualitative and quantitative chemical signatures; distinctive chemical fingerprint of a material; indirect determination of the crystal features (polymorphism, isomorphism, coordination, degree of deformation of structural polyhedra); small sample quantity (area less than 1 μm2 for Raman); wide coverage of 4,000 – 50 cm−1 region in a single scan; in situ and direct measurements without sample preparation; nondestructive use; etc. On the other hand, XRPD is a destructive technique that, depending on the method used and the density of the material, requires from a few micrograms up to around 5 grams of sample quantity for analysis. In spite of that, it is a rapid and powerful technique used in mineral studies with relatively straightforward interpretation of the results. During the last decade, portable X-ray powder diffractometers for the nondestructive analysis of art and archeological materials have been developed along with the portable and hand-held vibrational spectroscopy instrument. Here, some advantages and limitations in the process of the complementary use of FTIR and Raman vibrational spectroscopy and XRPD for identification and characterization of minerals are outlined.

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“…As discussed in previous studies [10,65,66], several factors can affect the position of the goethite bandsincluding particle size, crystallinity, adsorbed water or the isomorphous substitution of iron by aluminum. The presence of silicates (especially quartz) and other clay minerals, even in low amounts, can also affect the identification of goethite, given the similar region of absorption [67]. Moreover, in situations when the hydroxyl stretch is partially obscured by the presence of water, a clear identification of goethite is less likely to be found using FTIR analysis alone.…”

Section: Yellow Ochersmentioning

confidence: 99%

Assessment of Easily Accessible Spectroscopic Techniques Coupled with Multivariate Analysis for the Qualitative Characterization and Differentiation of Earth Pigments of Various Provenance

et al. 2022

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Natural minerals and earths with coloring properties have been widely used as artistic pigments since prehistoric times. Despite being extensively studied, the complex chemistry of earth pigments is still unsatisfactory described with respect to their mineralogical and structural variability and origin. In this study, a large group of earth pigments from various geographical locations was investigated using easily accessible spectroscopic techniques and multivariate analysis with the aim to identify distinctive mineralogical and chemical characteristics of natural pigment sources. Portable X-ray fluorescence (p-XRF), Fourier transform infrared spectroscopy (FTIR) and fiberoptic Raman spectroscopy were used for the elemental, molecular and structural characterization of the investigated pigments. Diagnostic spectral features and chemical patterns (fingerprints) were identified and discussed with respect to their geological sources. Due to the occurrence of similar accompanying minerals, it was observed that the differentiation of red and yellow ochers is more challenging compared to green, brown and black pigments. However, for some of the investigated pigments, the presence of certain accessory minerals and/or of certain chemical patterns can have diagnostic value. Principal component analysis (PCA) of the FTIR and XRF data matrices showed promising results in terms of geological attribution, highlighting a promising tool for provenance research. The results of the study demonstrate the potential benefits of this rapid and nondestructive approach for the characterization and differentiation of earth pigments with similar hues coming from different geological sources.

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MINERALS FROM MACEDONIA. X-RAY POWDER DIFFRACTION vs. VIBRATIONAL SPECTROSCOPY IN MINERAL IDENTIFICATION

Abstract: A b s t r a c t: Some of the advantages and imperfections in the cases when the X-ray powder diffraction (XRPD), Fourier transform infrared (FTIR)

Cited by 6 publications

References 18 publications

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

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

Crossroads of vibrational (infrared and Raman) spectroscopy and X-ray powder diffraction in identification and characterization of some minerals – advantages and limitations. A review

Assessment of Easily Accessible Spectroscopic Techniques Coupled with Multivariate Analysis for the Qualitative Characterization and Differentiation of Earth Pigments of Various Provenance

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