1) Beautiful stone 2) Calcium mineral 3) Cut mineral 4) Decorative stone 5) Dimorphic with calcite 6) Gemstone mineral 7) Gemstone 8) Jewel mineral 9) Jewel 10) Mineral 11) Mineral gemstone 12) Mineral jewel 13) Orthorhombic mineral 14) Polished jewel 15) Polished mineral 16) Precious gemstone 17) Precious jewel
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Aragonite is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3 (the other form being the mineral calcite). It is formed by biological and physical processes, including precipitation from marine and freshwater environments. Aragonite`s crystal lattice differs from that of calcite, resulting ....
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http://en.wikipedia.org/wiki/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.
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A form of calcium carbonate which constitutes the shells of corals and other marine creatures. Crushed Aragonite sand is sometimes used as a Substrate when it is desired to raise the pH/Hardness of the tank water above its natural level, e.g. for African Lake Cichlids.
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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]
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http://www.britannica.com/eb/a-z/a/93
A less common crystalline form of calcium carbonate belonging to the orthorhombic crystal class, dimorphous with calcite, but denser than calcite.
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a translucent white mineral found in calcium carbonate.
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http://www.encyclo.co.uk/local/22192
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.
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http://www.encyclo.co.uk/webster/A/113
Aragonite (named from Aragon in Spain) is 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. It forms easily in a sedimentary environment but only stable in metamorphic rocks formed at high temperatures. It has the formulae CaCO3 and a relative har...
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A translucent white mineral found in calcium carbonate.
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Calcium carbonate
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[
n] - a mineral form of crystalline calcium carbonate
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http://www.webdictionary.co.uk/definition.php?query=aragonite
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.
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https://www.encyclo.co.uk/local/20128
noun a mineral form of crystalline calcium carbonate; dimorphic with calcite
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An unstable form of calcium carbonate which changes into calcite.
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a mineral, orthorhombic calcium carbonate, CaCO, chemically identical with calcite but differing in crystallization and in having a higher specific gravity and less marked cleavage.
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https://www.infoplease.com/dictionary/aragonite
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