Raman spectrum of siderite taken at ambient pressure (1 bar) and temperature (25˚C). From: Farsang, S., Facq, S. and Redfern, S.A.T., 2018. Raman modes of carbonate minerals as pressure and temperature gauges up to 6 GPa and 500 C. American Mineralogist: Journal of Earth and Planetary Materials, 103(12), pp.1988-1998 in Farsang, S., Widmer, R.N. and Redfern, S.A.T., 2020. High-pressure and high-temperature vibrational properties and anharmonicity of carbonate minerals up to 6 GPa and 500 ˚C by Raman spectroscopy. Under review at American Mineralogist.
