Which one of the following is a mineral of iron?
-
Malachite
-
Cassiterite
-
Pyrolusite
-
Magnetite
D.
Magnetite
Mineral |
Chemical composition |
Malachite |
CuCO3.Cu(OH)2 |
Cassiterite |
SnO2 |
Pyrolusite |
MnO2 |
Magnetite |
Fe3O4 |