Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
mineral

Non-organic and solid chemical substance which, associated with other minerals forms the rock that constitutes the lithosphere of our planet. Chalcopyrite, for example, a copper sulphide , is a mineral whose molecule is composed of an atom of copper, an atom of iron and two atoms of sulphur as part of a well-defined crystalline network.

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