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Infrared Emission Spectroscopy of Some Sulfate Minerals

Volume 46, Number 10 (Oct. 1992) Page 1477-1482

Vassallo, A.M.; Finnie, K.S.

Infrared emission spectroscopy has been used to study the phase transformations of gypsum, thenardite, glauberite, and anhydrite between the temperatures of 50 and 1400°C. It is shown that emission spectroscopy can be used to monitor these changes in situ and that metastable forms and reversible transformations are easily detected.