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.

A

Explanation:

Quartz is one of the most common minerals because it is chemically and physically stable at Earth's surface conditions. It is a significant component of hydrothermal veins and felsic igneous rocks, and is often the dominant mineral in sandstones and siltstones, as well as their metamorphosed equivalents.

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explanation: