Calamine, malachite, magnetite and cryolite, respectively are:
List-I
List-II
(a) Haematite
(i) Al2O3. xH2O
(b) Bauxite
(ii) Fe2O3
(c) Magnetite
(iii) CuCO3. Cu(OH)2
(d) Malachite
(iv) Fe3O4