Contents of data-file femgsio4.dat System components: 1: Fe2SiO4 2: Mg2SiO4 Phases: 1: Olivine 2: Spinell 3: beta-phase 4: Fe2SiO4 5: Mg2SiO4 Phase constituents of mixture phases: Phase: Olivine Model: RKMP Status: ENTERED 1: FeSi0.5O2 2: MgSi0.5O2 Phase: Spinell Model: RKMP Status: ENTERED 1: FeSi0.5O2 2: MgSi0.5O2 Phase: beta-phase Model: RKMP Status: ENTERED 1: FeSi0.5O2 2: MgSi0.5O2
Fe2SiO4-Mg2SiO4, See commentary below ! GTT 16.8.96 2 4 0 2 2 2 2 Fe2SiO4 Mg2SiO4 203.7778 140.7076 6 1 2 3 4 5 6 1 1 Olivine RKMP FeSi0.5O2 12 1 .5000 0.0 -739085.00 317.33200 2000.0000 127.66500 0.00000000 0.00000000 0.00000000 3 -1061.7000 -0.5 83150000. -3.0 0.00000000 0.0 23.1400 0.266000E-04 0.873600E-08 0.000000 -.248700 0.725160 0.000000 0.000000 0.000000 4.00000 0.000000 MgSi0.5O2 12 1 0.0 .5000 -1088600.0 294.28300 2000.0000 108.89700 0.00000000 0.00000000 0.00000000 3 -704.10000 -0.5 -.26318000E+09 -3.0 0.00000000 0.0 21.8350 0.305200E-04 0.850400E-08 0.000000 -.582400 0.773990 0.000000 0.000000 0.000000 4.88000 0.000000 2 1 2 1 -8314.0000 0 Spinell RKMP FeSi0.5O2 12 1 .5000 0.0 -738334.00 310.27300 2000.0000 130.98600 0.00000000 0.00000000 0.00000000 3 -1201.4000 -0.5 0.13419000E+09 -3.0 0.00000000 0.0 21.0100 0.245500E-04 0.359100E-08 0.000000 -.370300 0.507610 0.000000 0.000000 0.000000 4.00000 0.000000 MgSi0.5O2 12 1 0.0 .5000 -1069300.0 289.97300 2000.0000 100.09600 0.00000000 0.00000000 -660000.00 2 -518.40000 -0.5 -.24582000E+09 -3.0 19.7650 0.236700E-04 0.529800E-08 0.000000 -.570200 0.469480 0.000000 0.000000 0.000000 4.00000 0.000000 2 1 2 1 -9977.0000 0 beta-phase RKMP FeSi0.5O2 12 1 .5000 0.0 -736473.00 312.76200 2000.0000 136.33200 0.00000000 0.00000000 0.00000000 3 -1319.8000 -0.5 0.22412000E+09 -3.0 0.00000000 0.0 21.5750 0.231900E-04 0.711700E-08 0.000000 -.243000 0.602410 0.000000 0.000000 0.000000 4.00000 0.000000 MgSi0.5O2 12 1 0.0 .5000 -1072450.0 291.75300 2000.0000 108.21800 0.00000000 0.00000000 0.00000000 3 -736.20000 -0.5 -.27895000E+09 -3.0 0.00000000 0.0 20.2700 0.271100E-04 0.688500E-08 0.000000 -.576700 0.625000 0.000000 0.000000 0.000000 4.00000 0.000000 2 1 2 1 -11210.000 0 Fe2SiO4 1 1 1.0 0.0 2500.0000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 Mg2SiO4 1 1 0.0 1.0 2500.0000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 ############################################################################# Date : 16.8.1996 Originator : KH Serial No : femgsio4.dat Quality Status : A ChemSage Vers. : 4.0 Temperatures : Below liquidus Compositions : All Applications : Solid T-P-composition equilibria and thermal properties in the system Fe2SiO4 - Mg2SiO4 for pressures between 1 bar and 300 kbar. NOTE: The system is Fe2SiO4 - Mg2SiO4. However, in order to obtain the correct ideal entropy between Fe and Mg the scaling factor 0.5 has been applied for the phase constituents. The two Stoichiometric Condensed phases Fe2SiO4 and Mg2SiO4 do not take part in any equilibrium but serve as simple input substances for the definition of the system composition. Sources of data Unary : 86Fei Binary : 86Fei Species and interaction list: Olivine FeSi0.5O2 MgSi0.5O2 Spinell FeSi0.5O2 MgSi0.5O2 beta-phase FeSi0.5O2 MgSi0.5O2 References : 86Fei Yingwei Fei; Surendra Saxena: Chem Minerals 13, 1986, pp311-324 ###########################################################################
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