Figure 10.04. MgO-SiO2 Norm Example #4: a composition axis view. The bulk chemical composition of the two-component MgO-SiO₂ system can be shown on a composition axis in mass units or mole units. Both axes are shown here with sliders that allow you to change the bulk composition and see the results of the norm calculation (the software does the algebra, still using the approximate gfw values for MgO (40g/mol) and SiO2 (60g/mol)). Move the slider.

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