Microscopic study on the polymorphism of Ca3SiO5 |
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Authors: | Iwao Maki Stanislav Chromý |
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Affiliation: | Nagoya Institute of Technology Gokiso-cho, Showa-ku, Nagoya, 466, Japan;Research Institute of Building Materials Brno-Komárov, Hnv?vkovského 65, Czechoslovakia |
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Abstract: | The polymorphism of Ca3SiO5 has been studied microscopically by following changes in optic properties and modes of twinning of the crystal as a function of temperature. Besides the six modifications already established, a hitherto-unidentified monoclinic phase M3, which can be characterized only by microscopy at present, has been found to exist just below the rhombohedral phase (R). The transitions that give clear thermal effects on the DTA curve show no corresponding change under the microscope. |
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