In the near future, a lunar mining expedition discovers a new mineral, Unobtanium. This mineral displays remarkable properties, not the least of which is it has a hardness of 11 on Mohs scale. In order to form a gemstone out of this new mineral, what should a gem cutter use to cut and polish the facets?

A. Unobtanium

B. Corundum

C. Diamond

D. Chrysoberyl

E. Anything harder than quartz

Question

Marie Vincent

Geography

2 August, 17:53

In the near future, a lunar mining expedition discovers a new mineral, Unobtanium. This mineral displays remarkable properties, not the least of which is it has a hardness of 11 on Mohs scale. In order to form a gemstone out of this new mineral, what should a gem cutter use to cut and polish the facets?

A. Unobtanium

B. Corundum

C. Diamond

D. Chrysoberyl

E. Anything harder than quartz

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Answers (1)

Know the Answer?

Mejia · Answer 1

C. Diamond

Explanation:

Unobtainium is rare and hard to find the imaginary impossible element and even if it had a hardness of 11 on the moho scale to form a gemstone of it would be unobtanium itself or the diamond which is the hardest element in the earth with a moho of 10.