Minerals — Flashcards

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Minerals are naturally occurring substances found in the Earth's crust. They have a definite chemical composition and are formed by inorganic processes. Examples include iron ore, copper, and limeston…

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A mineral is a naturally occurring substance with a definite chemical composition. An ore is a mineral from which metals can be extracted profitably. All ores are minerals, but not all minerals are or…

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Metallic minerals: Iron ore, copper. Non-metallic minerals: Limestone, mica. Metallic minerals contain metals and are usually shiny and hard, while non-metallic minerals do not contain metals and are …

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Metallic minerals contain metals and are usually found in igneous rocks. They are hard, shiny, and good conductors of heat and electricity. Examples: Iron ore (used in steel), copper (used in wires).

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Non-metallic minerals do not contain metals and are usually found in sedimentary rocks. They are not shiny and are brittle. Examples: Limestone (used in cement), mica (used in electrical insulation).

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Iron ore is used to make steel and iron, which are essential for building roads, railways, machines, cars, and buildings. Almost every industry depends on iron and steel, making it the foundation of i…

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1. Magnetite – 72% iron (highest quality) 2. Haematite – 60–70% iron 3. Limonite – 40–60% iron 4. Siderite – 10–40% iron (lowest quality). Haematite and magnetite are most commonly used.

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Odisha is the largest producer of iron ore in India. It has high-quality haematite in districts like Keonjhar, Sundargarh, and Mayurbhanj. India has about 6.6% of the world’s iron ore reserves.