Which of the following is one reason that quartz is classified as a mineral?
It can be manufactured. It comes in different colors. It has a specific crystal structure. It can be melted at high temperatures.
Question: Which of the following is one reason that quartz is classified as a mineral?
A. It can be manufactured.
B. It comes in different colors.
C. It has a specific crystal structure.
D. It can be melted at high temperatures.
Answer: