Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Hydrothermal Growth of Calcite Single Crystal in NaCl Solution
Shin-ichi HiranoK\={o}-ichi Kikuta
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1987 Volume 60 Issue 3 Pages 1109-1112


The hydrothermal synthesis of calcite single crystal was studied by using a NaCl solution as a mineralizer. The solubility of calcite in a 3 mol kg−1 NaCl solution was measured by a weight-loss technique to be around 2 g l−1 at 500 °C and 100 MPa. An optically clear rhombohedral crystal of up to 1.0 mm could be grown in a hydrothermal NaCl solution. The growth of a homogeneous layer of calcite could be observed on the calcite seed at 400 °C.

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