Answer» Correct Answer - Option 3 : Hematite
The correct answer is Hematite. - Hematite
- It is one of the most abundant minerals on Earth's surface.
- It is an ore of iron.
- It is a common rock-forming mineral found in sedimentary, metamorphic, and igneous rocks at locations throughout the world.
- The mineral is used to produce pigments, preparations for heavy media separation, radiation shielding, ballast, and many other products.
- Malachite
- It is an ore of copper.
- It was one of the first ores used to produce copper metal.
- It has been used as a gemstone.
- Bauxite
- It consists mostly of aluminium minerals.
- It forms when laterite soils are severely leached of silica and other soluble materials in a wet tropical or subtropical climate.
- Chromite
- It is the main source of metal chromium.
- It is dark grey to black in colour with a metallic to submetallic lustre and high specific gravity.
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