[PDF] Top 20 An SEM, EDS and vibrational spectroscopic study of the silicate mineral meliphanite (Ca,Na)2 Be[(Si,Al)2O6 (F,OH)]

... correction/adjustment and smoothing were performed using the Spectracalc software package GRAMS (Galactic Industries Corporation, NH, ...using the Jandel ‘Peakfit’ soft- ware package that enabled ... See full document

... for the study of mineral structures [14–19]. The objective of this research is to report the Raman and infrared spectra of vantasselite and to relate ... See full document

... a study of the tellurite mineral sonorite using electron microscopy with EDX com- bined with vibrational ...dominance of Te, Fe, Ce and In with minor amounts of ... See full document

... Crystals of ushkovite were placed on a polished metal surface on the stage of an Olympus BHSM microscope, which is equipped with 10, 20, and 50 ...objectives. The microscope ... See full document

... correction/adjustment and smoothing were performed using the Spectracalc software package GRAMS (Galactic Industries Corporation, NH, ...using the Jandel ‘Peakfit’ soft- ware package that enabled ... See full document

... independent and non- equivalent OH units. The two sharp shoulder bands may be attrib- uted to the Al–OH–Fe groups, ...i.e. the cyrilovite part of the solid ...2876 and ... See full document

... Experiments and analyses involving electron microscopy were performed in the Center of Microscopy of the Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil ... See full document

... tions and tabular and fibrous and in radiating aggregates and ...sphericules. The mineral was named after the Greek for ‘‘fibers,’’ ines, in reference to its common ... See full document

... for the study of mineral structure ...is an important tool in the characterization of phosphates in pegmatite rocks ...years, spectroscopic studies concerning ... See full document

... in the infrared spectrum of Weier ...reported the infrared data without any assignment of the ...bands. Vibrational spectroscopy has proven most useful for the ... See full document

... genesis of leightonite is related to low acidity conditions [1] and from acid solutions at fairly high temperatures ...in the scientific literature. Thermodynamic study of leightonite ... See full document

... Fragments of single crystals of fluellite were placed on a pol- ished metal surface on the stage of an Olympus BHSM microscope, which is equipped with 10, 20, and 50 ... See full document

... mixtures of the cations of lead, zinc, and ferric iron results in the formation of the koritnigite group of minerals, including ...cobaltkoritnigite. The ... See full document

... Crystals of sidorenkite were placed on a polished metal surface on the stage of an Olympus BHSM microscope, which is equipped with 10, 20, and 50 ...objectives. The microscope ... See full document

... The mineral fraipontite has been studied by using a combination of scanning electron microscopy with energy dispersive analysis and vibrational spectroscopy (infrared and ... See full document

... between the silicate layers and are coordinated alternately to pairs of tetrahedral apices along the chains on oppo- site sides of the mirror ...coordination, and ... See full document

... is an apparent lack of information on the vibrational spec- tra of ...ardennite-(As). The reason for such a lack of information is not known; yet the mineral ... See full document

... aegirina and lamprophyllite. The sample was gently crushed and the associated minerals were removed under a stereomicroscope Leica ...MZ4. The lomonosovite studied in this work occurs ... See full document

... correction/adjustment and smoothing were performed using the Spectracalc software package GRAMS (Galactic Industries Corporation, NH, ...using the Jandel ‘Peakfit’ soft- ware package that enabled ... See full document

... using the Jandel ‘Peakfit’ soft- ware package that enabled the type of fitting function to be se- lected and allows specific parameters to be fixed or varied ...with the minimum number ... See full document