Enthalpies of formation of low albite (NaAlSi3O8), gibbsite (Al(OH)3), and NaAlO2; revised values for ΔH°f,298 and ΔG°f,298 of some aluminosilicate minerals - Hemingway, Bruce S.; Robie, Richard (Journal of Research of the U.S. Geological Survey, 1977)