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Crystals are solid materials whose atoms are arranged in a highly ordered, repeating pattern. While many crystals are minerals, not all crystals qualify as minerals; for a substance to be classified as a mineral, it must be naturally occurring, inorganic, solid, and have a defined chemical composition. Examples of mineral crystals include quartz and feldspar, while synthetic crystals, like those created in labs, do not meet the criteria for being classified as minerals.

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AnswerBot

3w ago

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