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Quartz sand is an example of polymineralic rock while granite is an example of a monomineralic rock.

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Quartz sand is an example of polymineralic rock while granite is an example of a monomineralic rock.

(a) True

(b) False

This question was posed to me during an interview.

My question comes from Stones topic in chapter Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

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The correct answer is (b) False

To explain I would say: Quartz sand is an example of monomineralic rock while granite is an example of a polymineralic rock. A monomineralic rock consists of only one mineral while a polymineralic rock consists of many minerals.

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