The K2CO3 CaCO3 MgCO3 system at 6 GPa implications for diamond forming
The K2Mg CO3 2 compound disappears near 900 °C via incongruent melting to produce magnesite and a liquid K2Ca CO3 2 bütschliite melts incongruently at 1000 °C to produce K2Ca2 CO3 3 and a liquid