Mineral  

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Crystallised Minerals (first half of 19th century) by Alexandre Isidore Leroy de Barde
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Crystallised Minerals (first half of 19th century) by Alexandre Isidore Leroy de Barde

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A mineral is a naturally occurring substance that is solid and stable at room temperature, representable by a chemical formula, usually abiogenic, and has an ordered atomic structure. It is different from a rock, which can be an aggregate of minerals or non-minerals, and does not have a specific chemical composition. The exact definition of a mineral is under debate, especially with respect to the requirement a valid species be abiogenic, and to a lesser extent with regards to it having an ordered atomic structure. The study of minerals is called mineralogy.

Etymology

From Middle English mineral, borrowed from Old French mineral, (French minéral), from Medieval Latin minerale, from minera (“ore”).

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Unless indicated otherwise, the text in this article is either based on Wikipedia article "Mineral" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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