chromite

As nouns the difference between chromate and chromite

is that chromate is any salt of chromic acid; in solution the yellow chromate anion (CrO₄^2-) is in equilibrium with the orange dichromate anion (Cr₂O₇^2-), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents while chromite is a dark brown mineral species with the formula FeCr₂O₄.

As nouns the difference between chromite and zincochromite

is that chromite is while zincochromite is (mineralogy) a mineral, the zinc analogue of chromite.