Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2009 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : R7-02
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R7: Mineralogical sciences of the Earth surface
Formation and stability of hydrated calcium carbonate
*Takashi MunemotoKeisuke Fukushi
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
Monohydrocalcite is rare mineral in geological settings. It found as biogenic calcium carbonate. In order to understand the stability relationships of calcium carbonate minerals under low temperature, we determined MHC solubility.The solubility of MHC increases with the temperature. MHC is stable at lower temperature. In addition, the solubility of MHC becomes lower than vaterite at the temperatures lower than 5 celcius degree. It indicates that MHC is possibly third stable calcium carbonate at lower temperature.
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© 2009 Japan Association of Mineralogical Sciences
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