| S. No. | Rocks | Minerals |
|---|---|---|
| 1. | Rocks are aggregates of mineral elements. | Minerals are naturally occuring solid inorganic substances. |
| 2. | Rocks are heterogeneous in their composition. | Minerals are homogeneous in form. |
| 3. | A rock has no definite chemical composition. | Minerals have a definite chemical composition. |
| 4. | On the basis of origin, rocks are igneous, sedimentary and metamorphic. | Four chief mineral groups are silicates, carbonates, sulphides and metallic minerals. |
| 5. | Other important types of rocks are basalt, granite, sandstone, slate and quartz. | Other important minerals are iron, silicon, magnesium, nickel, calcium, potassium, etc. |