Mineral and Petrology-Transformation of Minerals [CSIR (Council of Scientific & Industrial Research) Earth Sciences]: Questions 1 - 4 of 4

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Question 1

Appeared in Year: 2018

Question MCQ▾

Which one of the following polymorphs may form because of meteorite impact? (June)

Choices

Choice (4)Response

a.

Quartz

b.

Stishovite

c.

Opal

d.

Tridymite

Edit

Question 2

Question MCQ▾

Which of the following term refers to the capacity of a substance to crystallize in more than one form?

Choices

Choice (4)Response

a.

Twinning

b.

Metamorphism

c.

Polymorphism

d.

Allotropy

Edit

Question 3

Question MCQ▾

Which of the following mineral is an example of classical twinned minerals?

Choices

Choice (4)Response

a.

Fluorite

b.

Chalcocite

c.

Gypsum

d.

None of the above

Edit

Question 4

Question MCQ▾

Which one is the polymorph of cristobalite

Choices

Choice (4)Response

a.

Tridymite

b.

Calcite

c.

Kyanite

d.

Aragonite

Edit