Magnesium Silicate (MgSiO3) Mg1O3Si1(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 81.927 92.515 92.515 0. -1494.862 -1415.346 247.963 300 82.228 93.022 92.516 0.152 -1494.875 -1414.853 246.348 400 94.194 118.484 95.906 9.031 -1495.129 -1388.120 181.270 500 101.512 140.337 102.661 18.838 -1494.855 -1361.392 142.224 600 106.997 159.347 110.559 29.273 -1494.303 -1334.747 116.200 700 111.621 176.195 118.754 40.208 -1493.569 -1308.211 97.620 800 115.780 191.375 126.899 51.581 -1492.699 -1281.789 83.692 900 119.675 205.239 134.844 63.356 -1491.713 -1255.483 72.866 900.000 119.675 205.239 134.844 63.356 GLASS <--> LIQUID 900.000 146.440 205.239 134.844 63.356 TRANSITION 1000 146.440 220.668 142.668 78.000 -1496.729 -1228.717 64.182 1100 146.440 234.625 150.404 92.644 -1493.435 -1202.076 57.082 1200 146.440 247.367 157.961 107.288 -1490.244 -1175.731 51.178 1300 146.440 259.088 165.295 121.932 -1487.146 -1149.648 46.193 1400 146.440 269.941 172.387 136.576 -1611.545 -1120.632 41.811 1500 146.440 280.044 179.231 151.220 -1607.265 -1085.717 37.808 1600 146.440 289.495 185.830 165.864 -1603.067 -1051.085 34.314 1700 146.440 298.373 192.192 180.508 -1649.124 -1016.266 31.226 1800 146.440 306.743 198.326 195.152 -1644.852 -979.163 28.415 1850.000 146.440 310.756 201.310 202.474 III <--> LIQUID 1900 146.440 314.661 204.242 209.796 1640.616 942.295 25.906 2000 146.440 322.172 209.952 224.440 -1636.414 -905.650 23.653 2100 146.440 329.317 215.468 239.084 -1632.247 -869.215 21.621 2200 146.440 336.129 220.799 253.728 -1628.114 -832.976 19.777 2300 146.440 342.639 225.956 268.372 -1624.015 -796.926 18.099 2400 146.440 348.871 230.948 283.016 -1619.951 -761.053 16.564 2500 146.440 354.849 235.786 297.660 -1615.921 -725.349 15.155 2600 146.440 360.593 240.476 312.304 -1611.924 -689.805 13.858 2700 146.440 366.120 245.028 326.948 -1607.962 -654.414 12.660 2800 146.440 371.445 249.448 341.592 -1604.033 -619.169 11.551 2900 146.440 376.584 253.744 356.236 -1600.138 -584.065 10.520 3000 146.440 381.549 257.922 370.880 -1596.278 -549.093 9.561