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X-ray investigation of hillebrandite

Published online by Cambridge University Press:  14 March 2018

L. Heller
L. Heller*
Affiliation:
Birkbeck College Research Laboratory, University of London
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Extract

Hillebrandite was first characterized by Wright as a white, fibrous mineral with the composition 2CaO.SiO2.H2O, optical properties αNa 1·605±0.005, γNa 1·612±0.003, moderately weak birefringence, parallel extinction, optic axial angle 2E between 60 and 80° and density 2.692. X-ray powder data were first published by Vigfusson, but these have not been substantiated by later investigators (Clark and Bunn, McMurdie and Flint, and Heller and Taylor). Synthetic dicalcium silicate β-hydrate has been found to resemble hillebrandite closely.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 30 , Issue 221 , June 1953 , pp. 150 - 154
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1953

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References

page 150 note 1 Wright, F. E., Amer. Journ. Sci., 1908, ser. 4, vol. 26, p. 551 Google Scholar.

page 150 note 2 Vigfusson, V. A., Amer. Journ. Sci., 1931, ser. 5, vol. 21, p. 74. [M.A. 5-45.]Google Scholar

page 150 note 3 Clark, L. M. and Bunn, C. W., Journ. Soc. Chem. Industry, 1940, vol. 59, p. 155. [M.A. 8-116.]Google Scholar

page 150 note 4 McMurdie, H. F. and Flint, E. P., Journ. Res. Nat. Bur. Standards, U.S.A., 1943, vol. 31, p. 227. [M.A. 9-45.]Google Scholar

page 150 note 5 Heller, L. and Taylor, H. F. W., Journ. Chem. Soc. London, 1952, p. 2535. M.A. 12-83.]Google Scholar

page 151 note 1 Pabst, A., Amer. Min., 1942, vol. 27, p. 783. [M.A. 8-359.]Google Scholar

page 153 note 1 Bernal, J. D., Proceedings of the Third International Symposium on the Chemistry of Cements, London, 1952, in the press.Google Scholar