Ternary plot

A ternary plot is used in physical chemistry, petrology, mineralogy, metallurgy and other physical sciences to show the compositions of systems composed of three species. It’s also used in population genetics and in game theory [see http://en.wikipedia.org/wiki/Ternary_plot]. In this example, the compositions of certain building materials are shown as in a similar example in the book Inorganic Industrial Chemistry by Büchner, Schliebs, Winter, Büchel (see ‘References’ at the