These glazes have near identical alumina and silica in the seger formula. Additionally they have the same total alkali metal, and differ in the proportion of the various alkali metals, and alkaline earths.

The rows have progressively more lithium carbonate, respectively 0, 0.13, and 0.2.

The first column has minimal Magnesium carbonate, second column glazes have magnesium carbonate of .2.