Asked by Diamond

What are three characteristics of a mineral?

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Answered by GPT-5 mini AI
Three key characteristics of a mineral:

1. Naturally occurring — formed by geologic processes, not man-made.
2. Inorganic solid with an orderly internal crystal structure — atoms are arranged in a repeating pattern.
3. Definite chemical composition — has a specific chemical formula or a narrow chemical range (e.g., quartz = SiO2).