Traces of structural H2O molecules in baryte

• Authors: BERAN Anton; TALLA Dominik; LOSOS Zdeněk; PINKAS Jiří
• Year of publication: 2010
• Type: Article in Periodical
• Magazine / Source: Physics and Chemistry of Minerals
• MU Faculty or unit: Faculty of Science
• Field: Geology and mineralogy
• Keywords: baryte;H2O defects;hydrogen traces;nominally anhydrous minerals;infrared spectroscopy
• Description: The infrared (IR) spectra of gem-quality baryte crystals from different occurrences are characterized by relatively weak but strongly pleochroic absorption bands at 3,280 , 3,220 , 3,155 and 3, 115 cm-1. The values of the total water contents in baryte are 1.7-3.8 wt.ppm.

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