ternary diagram
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CaSiO3-CaAl2Si2O8-SiO2 Diagram. Ternary phase diagram for melting the system CaSiO3-CaAl2Si2O8-SiO2 at 0.1 MPa pressure based on data from **refence needed**. Temperature is in degrees Celcius and composition is in weight pecent. Melting temperatures of the three minerals pseudowollastonite (Wo), anorthite (An), and cristobalite are shown, along with temperatures of three binary eutectic points and a ternary eutectic. The liquidus (saturation) surfaces for each mineral are shown by temperature contours.