FeO⋅Cr2O3\mathrm{FeO} \cdot \mathrm{Cr}_{2} \mathrm{O}_{3}FeO⋅Cr2O3
PbCrO4\mathrm{PbCrO}_{4}PbCrO4
Cr2O3\mathrm{Cr}_{2} \mathrm{O}_{3}Cr2O3
NaCr2O7\mathrm{NaCr}_{2} \mathrm{O}_{7}NaCr2O7
Cr2O5\mathrm{Cr}_{2} \mathrm{O}_{5}Cr2O5