In the Mohr's scale of hardness the minerals in increasing sequence...

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In the Mohr's scale of hardness, the minerals in increasing sequence of hardness are

A. Calcite, Gypsum, Topaz, Diamond

B. Topaz, Gypsum, Calcite, Diamond

C. Calcite, Gypsum, Diamond, Topaz

D. Gypsum, Calcite, Topaz, Diamond

Answer: Option D

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