Thermodynamic properties and stability of AIF-bearing Titanite CaTiOSi04-CaAIFSi04
Calorimetric and experimental data on AlF-bearing titanite are presented that yield thermodynamic properties of CaAlFSiO4, as well as activity-composition relations of binary titanite CaTiOSiO4-CaAlFSiO4. The heat capacity of synthetic CaAlFSiO4 was measured with differential scanning calorimetry between 170 and 850 K: Cp = 689.96 - 0.38647T+2911300T-2 - 8356.1T-0.5 +0.00016179T2 Based on low-temperature heat capacity calculations with lattice vibrational theory (Debye model), the calorimetric...[Show more]
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|Source:||Contributions to Mineralogy and Petrology|
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