Zinc sulfate heptahydrate waa unug aan organic ahayn oo leh qaacido kelli ah oo ah ZnSO4 7H2O, oo loo yaqaan alum iyo zinc alum.Midab la'aan orthorhombic prismatic crystal zinc sulphate crystals Zinc Sulphate Granular, budada crystalline cad, ku milmay biyaha, wax yar ku milma ethanol.Waxay luminaysaa biyaha marka la kululeeyo ilaa 200 ° C waxayna ku qurmayaan 770 ° C.