[PDF] Top 20 A vibrational spectroscopic study of the arsenate minerals cobaltkoritnigite and koritnigite

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

... for the study of mineral ...in the characterization of phosphates in complex paragenesis ...years, spectroscopic studies concerning phosphate miner- als are increasing, ... See full document

... number of infrared studies of some natural borates [19–22]. Most of these references are not new and there have been no recent studies on the vibra- tional spectroscopy of ... See full document

... for the study of mineral structure ...in the characterization of phosphates in pegmatite rocks ...years, spectroscopic studies concerning phosphate minerals are ... See full document

... to the silicate framework. Bartl and Pfeifer [21] presented a model of apophyllite in which some hydroxyl units are replaced by fluoride ...as the sizes of F and OH ions are very ... See full document

... basalts and diabases; in serpentinites and perido- tites; from metamorphosed high-calcium ...in the asymmetric unit [1]. A review of the structure of pectolite and related ... See full document

... for the study of sil- icate minerals ...for the study of diagenetically related minerals where isomorphic substitution may occur as with wardite, cyrilovite ... See full document

... Brazil. The sample is part of the collection of the Geology Department of the Federal University of Ouro Preto, Minas Gerais, Brazil, with sample code ...[6]. ... 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

... Recently, the authors undertook a study of the mineral olmiite ...studied the mineral poldervaartite CaCa [SiO3(OH)(OH)] using scanning electron microscopy, thermogravi- metric analyses ... See full document

... 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

... for the study of minerals ...for the study of diagenetically related minerals where iso- morphic substitution may occur as with wardite, cyrilovite and ... See full document

... for the character- ization of secondary uranyl containing minerals ...[17–23]. The aim of this research is the study of Raman spectra of the natural ... See full document

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

... mineral and is named for the Chinese village of Gugia where it was first discovered ...after the discovery of gugiaite, it was noted that a new name was unnecessary as it could have ... See full document

... to study the vibrational spectroscopy of sido- renkite as there have been very few studies of this mineral as is evidenced in the ...part of a complex paragenesis in ... See full document

... 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

... the study of diagenetically related minerals as often occurs with many ...by the authors, using Raman spectroscopy to study complex secondary minerals formed by ... See full document

... for the study of ...for the study of diagenetically related minerals as often occurs with minerals containing sulphate, arsenate and/or phosphate ... See full document

... combination of scanning electron microscopy with energy dispersive analysis and vibrational spectroscopy (infrared and ...member of the 1:1 clay minerals of ... See full document