Q. The density range lies between 2.5 and 4.5 g/cc for __________

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Q. Atoms of greater atomic radii show __________

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Q. Form in which neither a crystal face nor a cleavage is seen is __________

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Q. The minerals which develop electric charge upon heating are called __________

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Q. The Phenomenon where electric charge develops due to application of pressure is __________

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Q. How many minerals are present in the scale of fusibility given by Von Kobell?

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Q. Specific gravity of mineral changes with temperature.

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Q. Which of the following minerals can scratch Topaz?

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Q. Streak colour and colour of the mineral are always same.

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Q. Which of the following mineral shows phosphorescence?

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Q. Quartz shows which lustre?

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Q. Which among the following shows silky lustre?

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Q. Which mineral group is abundantly found in the earth’s crust?

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Q. Felspar is found abundantly or in majority in which kind of rock?

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Q. The chemical composition of the feldspar group is __________

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Q. In the atomic structure, each oxygen atom is shared by how many tetrahedra?

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Q. The crystallographic system shown by felspar group is __________

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Q. How many groups are the felspar minerals classified into, on the basis of chemical composition?

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Q. The felspar minerals are free from __________

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Q. What is the chemical composition of Orthoclase?

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