Biology, 22.01.2021 22:40 xxkeyxx51

Which of the following is one reason that quartz is classified as a mineral? A
It has a chemical formula and a specific crystal structure.

B.
It can be melted at high
temperatures.

C.
It comes in many different colors.

D.
It can be manufactured in a laboratory.

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Which of the following is one reason that quartz is classified as a mineral? A
It has a chemi...