Crystallize Bulk Composition
Di(15)-Fo(55)-An(30)
Contours - Bulk Composition (black dot)
1800°C - liquid
1700°C - liquid
1634°C - 99% liquid + 1% forsterite
1600°C - 90% liquid + 10% forsterite
1500°C - 73% liquid + 27% forsterite
1400°C - 62% liquid + 38% forsterite
1350°C - 58% liquid + 42% forsterite
1325°C - 56% liquid + 44% forsterite
1300°C - 54% Liq + 46% Fo +1% An
1275°C - 30% Liq + 53% Fo +17% An
1269°C - 15% Di + 55% Fo +30% An

Select the buttons for different temperatures to follow the equilibrium crystallization of a liquid with a bulk composition (see the dot) of
   15 wt.% CaMgSi2O6
   55 wt.% Mg2SiO4
   30 wt.% CaAl2Si2O8.

Figure 6.06a. CaMgSi2O6-Mg2SiO4-CaAl2Si2O8 Diagram. Ternary liquidus diagram for the system Diopside(Di)-Forsterite(Fo)-Anorthite(An) at 0.1 MPa pressure based on data from Osborn and Tait (1952). Temperature is in degrees Celcius and composition is in weight pecent.