[PDF] Top 20 A vibrational spectroscopic study of the silicate mineral harmotome – (Ba,Na,K) 1-2 (Si,Al)8O
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A vibrational spectroscopic study of the silicate mineral harmotome – (Ba,Na,K) 1-2 (Si,Al)8O
... Raman spectroscopic studied of harmotome and related minerals have been forthcoming ...Studies of hydrogen bonding in silicates relates the position of the hydroxyl ... See full document
5
Vibrational spectroscopic characterization of the phosphate mineral barbosalite Fe
... this study was analyzed with the per- formance of seven ...spots. The chemical analysis was carried out with a Jeol JXA8900R spectrometer from the Physics Department of ... See full document
7
Vibrational spectroscopic study of the uranyl selenite mineral derriksite Cu4 UO2 (SeO3
... For the development of this work, one single crystal of derrik- site was chosen for our ...from the collection of the Geology Department of the Federal University ... See full document
5
A vibrational spectroscopic study of a hydrated hydroxy-phosphate mineral fluellite, Al
... 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 ...objectives. ... See full document
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An SEM, EDS and vibrational spectroscopic study of the silicate mineral meliphanite (Ca,Na)2 Be[(Si,Al)2O6 (F,OH)]
... layer of evapo- rated ...in the EDS mode were performed with a ThermoNORAN spectrometer model Quest and was applied to support the mineral ...characterization. The same sample was used ... See full document
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A vibrational spectroscopic study of the anhydrous phosphate mineral sidorenkite Na3 Mn(PO4 )(CO
... using the Spectracalc software package GRAMS (Galactic Industries Corporation, NH, ...using the Jandel ‘Peakfit’ soft- ware package that enabled the type of fitting function to be selected and ... See full document
5
Vibrational spectroscopic characterization of the sulphate mineral leightoniteK
... 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 was ... See full document
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SEM, EDX and vibrational spectroscopic study of the phosphate mineral ushkovite MgFe
... 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 is part ... See full document
5
A vibrational spectroscopic study
... from the Brosso mine, Piedmont, Italy. The sample was incorporated to the collection of the Geology Department of the Federal University of Ouro Preto, Minas ... See full document
5
Thermal analysis and vibrational spectroscopic characterization of the boro silicate mineral datolite – CaBSiO4 (OH)
... analysis. The epoxy embed- ded datolite sample was coated with a thin layer of evaporated car- ...bon. The electron probe microanalysis in the WDS (wavelength dispersive spectrometer) mode was ... See full document
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REPOSITORIO INSTITUCIONAL DA UFOP: The molecular structure of the phosphate mineral beraunite Fe^2+Fe5^3+(PO4)4(OH)5.4H2O – A vibrational spectroscopic study.
... The mineral occurs as a fibrous green to black/brown ...to the literature [7,8], variation in the chemical compo- sition may occur with irrational amounts of ferrous ...in the ... See full document
5
REPOSITORIO INSTITUCIONAL DA UFOP: A vibrational spectroscopic study of the phosphate mineral minyulite KAl2(OH,F)(PO4)2 4(H2O) and in comparison with wardite.
... to study aspects of the molecular structure of the mineral ...minyulite. The structure of minyulite is ...phosphate vibrational modes are ...water ... See full document
6
A Raman and infrared spectroscopic study of the sulphate mineral aluminite Al2 (SO4
... vibrational spectroscopic techniques. SEM with EDX shows a homogenous mineral which analyses ...This mineral is dif- ficult to identify by X-ray diffraction, thus making Raman and infrared ... See full document
5
Vibrational spectroscopic study of the natural layered double hydroxide manasseite now defined as hydrotalcite-2H – Mg
... in the northeastern segment of the Precambrian Baltic ...Shield. The region is characterized by compli- cated block structures, which were reactivated during several tec- tono-magmatic ... See full document
5
The molecular structure of the vanadate mineral mottramite [PbCu(VO4 )(OH)] from Tsumeb, Namibia – A vibrational spectroscopic
... for the study of minerals ...for the study of diagenetically related minerals as often oc- curs with minerals containing vanadate groups such as mottra- mite, descloizite, ... See full document
5
REPOSITORIO INSTITUCIONAL DA UFOP: A SEM, EDS and vibrational spectroscopic study of the tellurite mineral : sonoraite Fe3+Te4+O3(OH) H2O.
... objectives. The microscope is part of a Renishaw 1000 Raman microscope system, which also includes a monochromator, a filter system and a CCD detector (1024 ...pixels). The Raman spectra were excited ... See full document
5
Vibrational spectroscopic study of poldervaartite CaCa[SiO3 (OH)(OH)]
... Recently, the authors undertook a study of the mineral olmiite ...studied the mineral poldervaartite CaCa [SiO3(OH)(OH)] using scanning electron microscopy, thermogravi- ... See full document
5
A vibrational spectroscopic study of the arsenate minerals cobaltkoritnigite and koritnigite
... part of the collection of the Geology Department of the Federal University of Ouro Preto, Minas Gerais, Brazil, with sample code ...SAC-120. The sample is from ... See full document
6
A vibrational spectroscopic study of the silicate mineral pectolite – NaCa2 Si3O
... Raman spectroscopic analyses of pectolite and related min- erals have been ...in the RRUFF data base but no band assignments are ...Studies of hydrogen bonding in silicates relates the ... See full document
5
A vibrational spectroscopic study of the phosphate mineral whiteite CaMn
... in the Yukon Canada [1,2,6,7], is often associated with deep blue lazulite ...giving the crystals a pseudo-orthorhombic appearance and the cleavage is good to ...perfect. The mineral is ... See full document
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