Environmental Studies Short Question | Gkseries

Q.

Which one of the following is not a set of polymorphous minerals ?

[A] Calcite, aragonite, vaterite
[B] Quartz, coesite, tridymite
[C] Graphite, anthracite, diamond
[D] Kyanite, alusite and sillimanite
Answer & Explanation

Answer: Graphite, anthracite, diamond

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