It can be manufactured. It comes in different colors. It has a specific crystal structure. It can be melted at high temperatures.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following is one reason that quartz is classified as a mineral?
Possibilities:
- It can be manufactured.
- It comes in different colors.
- It has a specific crystal structure.
- It can be melted at high temperatures.

It has a specific crystal structure.