Abstract
THIS compound was first described by Roy1,2, who considered it to be 9CaO.6SiO2.H2O. Further work now shows that, while specimens prepared at relatively low temperatures and pressures may be hydrated, those prepared at sufficiently high temperatures and pressures are anhydrous, with the composition Ca3Si2O7. They also establish the approximate unit cell parameters.
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References
Roy, D. M., J. Amer. Ceram. Soc., 41, 293 (1958).
Roy, D. M., Amer. Mineralogist, 43, 1009 (1958).
Heller, L., and Taylor, H. F. W., “Crystallographic Data for the Calcium Silicates” (H.M.S.O., 1956).
Howison, J. W., and Taylor, H. F. W., Mag. Concrete Res., 9, 13 (1957).
Gard, J. A., Brit. J. App. Phys., 7, 361 (1956).
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ROY, D., GARD, J., NICOL, A. et al. New Data for the Calcium Silicate, ‘Phase Z’. Nature 188, 1187–1188 (1960). https://doi.org/10.1038/1881187b0
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DOI: https://doi.org/10.1038/1881187b0
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