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Multiple choice question.

Which one of the following is not a single element mineral?


The general formula of mica is XY2-3Z4O10(OH,F)2 where X= K, Na, Ba, Ca, Cs; Y= Al, Mg, Fe2+; Z= Si, Al, Fe3+

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1

Multiple choice question.

Which one of the following are the two main constituents of granite?


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Multiple choice question.

Which one of the following is the salient feature of metamorphic rocks?


 1

Multiple choice question.

Which one of the following is the hardest mineral?


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Multiple choice question.

Which one of the following is not a sedimentary rock?