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The influence of chemical composition to position and intensity of the absorption bands observed in the FTIR spectra of palygorskite has been studied by a detailed comparative study of six samples. Pa...
Phyllosilicates on Mars mapped by infrared spectroscopic techniques could have been affected by dehydration and/or dehydroxylation associated with chemical weathering in hyperarid conditions, volcanis...
Maya blue, an ancient pigment used by Mayas in Mesoamerica, can be considered an ancestor of modern nano-composites as it forms by grinding and heating the guest indigo molecule with a hosting clay fr...
The thermal behavior and decomposition of kaolinite–potassium acetate intercalation complex was investigated through a combination of thermogravimetric analysis and infrared emission spectroscopy. Thr...
This contribution explores the interaction of the fibrous silicates, palygorskite, sepiolite and chrysotile with a wide range of organic agents. Infrared spectroscopy (IR) methods are essential for th...
Micro-Raman spectra of carbonates, silica and amorphous plagioclase, and both micro-Raman and IR reflectance spectra of phosphates in ALH84001 are reported. Data from these vibrational techniques co...
This is the first application of Raman spectroscopy to the characterization of the kornerupine group of borosilicate minerals. Raman microprobe spectra were collected from ~100 to ~4000 cm from 13 s...
ThephasediagramforMgSiO wasestimatedusingtheentropy,enthalpy,thermalex-3 pansivity,andvolumesofallthephases.Entropyatthevarious P-T conditionsinthephase diagramwasestimatedusingstatisticalthermodyna...
The structural changes associated with the C 2/ m - P 21/ m phase transition in cumming-tonite with (Fe 1 Mn)/(Fe1 Mn1 Mg) ┆ 0.50 have been studied with single-crystal X-ray diffraction at various pre...
Raman spectra were obtained from the (001), (010), and (100) faces of a St. Claire dickite specimen of known orientation. Raman spectra collected from the (010) and (100) faces of dickite are reported...
Abstract: When Li-saturated montmorillonite is heated to 200?00 癈, the Li ions migrate from interlayer positions to sites in the layer structure. However, the identity of these sites has not been clea...
Abstract: Intercalates from an ordered halloysite with urea and potassium acetate were studied using Raman microscopy. The urea intercalate showed new Raman bands at 3387, 3410, 3497 and 3598 cm−...
ToevaluatetheabilityofX-rayabsorption?nestructure(XAFS)spectroscopytoelu- cidatethecoordinationenvironmentofUatthesolid-waterinterface,weconductedan in-depthanalysisofexperimentalXAFSdatafromUsolida...
Abstract: The adsorption of olefins at 25 °C in gas- or vapor-solid systems on 4 clays dried at 120 °C was studied by infrared spectroscopy. Products of condensation have the spectra of paraffinic oli...
We report the direct experimental observation of a structural anomaly near 825 K insynthetic and natural titanite samples by high-temperature, hard-mode infrared spectros-copy. The anomaly in titanite...

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