https://www.usgs.gov/publications/low-temperature-molar-heat-capacities-and-entropies-mno2-pyrolusite-mn3o4-hausmanite
Low-temperature molar heat capacities and entropies of MnO2 (pyrolusite), Mn3O4 (hausmanite), and...
Pyrolusite (MnO2), hausmanite (Mn3O4), and bixbyite (Mn2O3), are important ore minerals of manganese and accurate values for their thermodynamic properties are...
low temperatureheat capacities