Aragonite

Aragonite
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Aragonite

Aragonite is a polymorph of the mineral calcite, and shares its chemical composition CaCO3. Its structure, however, differs from calcite and leads to a different crystal shape. The type location for aragonite is Molina de Aragón (Guadalajara, Spain), that is 25 km outside Aragon.

Aragonite crystal from Aragon, Spain.
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Aragonite crystal from Aragon, Spain.

It exists naturally in chitons' shells.

See also: list of minerals.

External link



de:Aragonit

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