Investigation of H+ coupling mechanism in hydrous orthoenstatite: through the contrasting IR spectra of Al-free and Al-bearing compositions

ChingChien Li, NCKU National Cheng Kung University, Earth Sciences, Tainan, Taiwan, Florian Tian-Siang Hua, National Cheng Kung University, Earth Sciences, Tainan, Taiwan, Nathalie Bolfan-Casanova, Université Clermont Auvergne, Laboratoire Magmas et Volcans, Clermont-Ferrand, France and Jennifer Kung, NCKU National Cheng Kung University, Department of earth sciences, Tainan, Taiwan