Table 2: The initial compositions to obtain mullite pigments.

Sample numberThe content of main components, wt.%
WVCAl2O3CoONiOCr2O3Fe2O3

CS24258
M138575
M3345115
M438575
M6345115
M738575
M8365410
M938545
M10365710

CS: check sample (without chromophores).