Table 1: Degradation of AT at different temperatures.

Mg8Si12O30(OH)4·(H2O)4·8H2OVeronikaTartaglioneChen

→ Mg8Si12O30(OH)4·(H2O)4 + 8H2O~92°C °C65°C
→ Mg8Si12O30(OH)4·(H2O)2 + 2H2O~130°C °C98°C
→ Mg8Si12O30(OH)4 + 2H2O~249°C °C230 to 481°C
→ MgSiO3 + 4SiO2 + 2H2O~434°C °C595°C