Correct Answer - Option 2 : Petalite
Concept:
Ore is a mineral from which metals can be extracted profitably.
Explanation:
| Ore |
Composition |
| Magnetite |
Magnetite is a mineral and one of the main iron ores. With the chemical formula Fe3O4 . |
| Petalite |
LiAlSi4O10 (Ore of Lithium) |
| Limonite |
Is an iron ore and it is a mixture of hydrated iron(III) oxide-hydroxides |
| Hematite |
It is basically ferric oxide (Fe2O3), ore of Iron |
Petalite is an ore of Lithium not iron. So, it is the correct option.
- Petalite is a lithium aluminium silicate
- It is from the silicate class of minerals.
- Its crystal system is monoclinic.
- It crystallises relatively rarely and most often occurs as large cleavable masses.
- It can have the colour white, colourless, grey, pinkish or yellow.
- Colourless pieces can be faceted into exceptionally.
