-Sodium chloride (NaCl)

-Potassium iodide (KI)

-Calcium fluoride (CaF2)

-Magnesium oxide (MgO)

-Lithium bromide (LiBr)

-Cesium chloride (CsCl)

-Zinc sulfide (ZnS)

-Copper(II) sulfate (CuSO4)

-Iron(III) oxide (Fe2O3)

-Barium sulfate (BaSO4)