Q. The semi-precious gemstone not belonging to corundum is _______________

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Q. What is the use of corundum?

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Q. What is the chemical composition of Baryte?

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Q. Which mineral is used as refractory material?

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Q. How many sets of cleavage is shown by calcite minerals usually?

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Q. Which lustre cannot occur to the calcite?

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Q. Which carbonate mineral has this chemical composition CaCO₃Mg(CO₃)₂?

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Q. Dolomite is formed by the action of magnesian rich sea water on which deposit?

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Q. What is the streak given by calcite minerals?

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Q. The carbonate minerals have high hardness.

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Q. What is the colour and diaphaneity of a calcite mineral respectively?

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Q. What is the colour of the magnesite when pure?

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Q. What is the structure or form of dolomite?

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Q. Name the carbonate mineral which is found in ultrabasic igneous rocks.

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Q. Carbonate minerals are found usually in ___________

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Q. Quartz is found in which type of rock?

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Q. What is the cleavage shown by quartz minerals?

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Q. Agate is not found banded.

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Q. The mineral not belonging to the quartz group is ___________

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Q. What is the colour of rose quartz attributed to?

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