Definition of aragonite
: a mineral similar to calcite in consisting of calcium carbonate but differing from calcite in its orthorhombic crystallization, greater density, and less distinct cleavage
aragoniticplay \ə-ˌra-gə-ˈni-tik, ˌer-ə-gə-, ˌa-rə-\ adjective
Recent Examples of aragonite from the Web
Through a process not yet fully understood, little balls of the material then give way to aragonite, the form of calcium carbonate that makes up a mature coral skeleton.
Some marine plankton and invertebrates build shells from aragonite — a form of calcium carbonate which dissolves more easily than calcite — and these organisms will be the first to feel the effect of increasing ocean acidity.
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Origin and Etymology of aragonite
German Aragonit, from Aragon, Spain
First Known Use: 1801See Words from the same year
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Britannica.com: Encyclopedia article about aragonite
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