A mineral species of calcium carbonate (CaCO3) with a crystal structure different from that of vaterite and calcite, which are the other two forms of CaCO3. It is precipitated from ocean surface waters mainly by organisms (e.g., coral) that use it to make their shells and skeletons.
Found op http://cdiac.ornl.gov/glossary.html
[n] - a mineral form of crystalline calcium carbonate
Found op http://www.webdictionary.co.uk/definition.php?query=aragonite
A·rag'o·nite noun [ From Aragon , in Spain.] (Min.) A mineral identical in composition with calcite or carbonate of lime, but differing from it in its crystalline form and some of its physical characters.
Found op http://www.encyclo.co.uk/webster/A/113
<chemical> A mineral identical in composition with calcite or carbonate of lime, but differing from it in its crystalline form and some of its physical characters. ... Origin: From Aragon, in Spain. ... Source: Websters Dictionary ... (01 Mar 1998) ...
Found op http://www.mondofacto.com/facts/dictionary?aragonite
noun a mineral form of crystalline calcium carbonate; dimorphic with calcite
Found op http://wordnetweb.princeton.edu/perl/webwn?s=aragonite
• (n.) A mineral identical in composition with calcite or carbonate of lime, but differing from it in its crystalline form and some of its physical characters.
Found op http://thinkexist.com/dictionary/meaning/aragonite/
widespread mineral, the stable form of calcium carbonate (CaCO3) at high pressures. It may be distinguished from calcite, the commoner form of ... [8 related articles]
Found op http://www.britannica.com/eb/a-z/a/93
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