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3 votes
Which of these is NOT a characteristic of a mineral?

A. Naturally occurring, inorganic substance

B. Crystalline structure that forms a geometric shape

C. Always a solid; never a liquid or gas

D. A variable chemical composition

User MedvedNick
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2 Answers

7 votes
The correct answer should be D. A variable chemical compositions
User LondonPhantom
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1 vote
The answer to your fine question is D.
User Ilia Ross
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