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Transformation of calcium carbonate polymorphs: preliminary results

Published online by Cambridge University Press:  05 July 2018

J. Nissenbaum ,
S. L. S. Stipp  and
A. Johnnson
J. Nissenbaum*
Affiliation:
Nano-Science Center, Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
S. L. S. Stipp
Affiliation:
Nano-Science Center, Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
A. Johnnson
Affiliation:
Nano-Science Center, Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
*
*E-mail: [email protected]
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Abstract

Calcium carbonate forms three polymorphic minerals that are found in a variety of environments at the Earth’s surface. Other compounds in the aqueous system can inhibit or enhance the probability of one phase or another, favour growth of specific crystal faces, and change the rate of recrystallization. Control of crystal systems requires understanding of the relationships between the foreign agent and the CaCO3 mineral surface. This work, which examines the transformation of vaterite to calcite, is part of a larger project that aims to define some of the parameters that control calcite recrystallization and grain coarsening.

Type
Research Article
Information
Mineralogical Magazine , Volume 72 , Issue 1 , February 2008 , pp. 473 - 476
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2008

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