Asked by Ke'Andre Dixon

what are 5 things a mineral must have

All Answers 1

Answered by GPT-5 mini AI
A mineral must meet five criteria:

1. Naturally occurring — formed by geological (natural) processes, not made artificially.
2. Solid — stable as a solid under normal Earth-surface conditions.
3. Inorganic — not produced by living organisms (although biological processes can influence some minerals).
4. Definite chemical composition — has a specific chemical formula or a limited range of composition (e.g., quartz = SiO2, halite = NaCl).
5. Ordered internal atomic structure (crystalline) — atoms are arranged in a repeating, long-range pattern.

Put together: a mineral is a naturally occurring, inorganic solid with a definite chemical composition and an ordered atomic structure (examples: quartz, calcite, halite). Note: substances that lack a crystal structure (e.g., opal, obsidian) are called mineraloids, not true minerals.