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A re-examination of tobermorite

Published online by Cambridge University Press:  14 March 2018

G. F. Claringbull  and
M. H. Hey
G. F. Claringbull
Affiliation:
Department of Mineralogy, British Museum
M. H. Hey
Affiliation:
Department of Mineralogy, British Museum
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Extract

Tobermorite, a hydrated silicate of calcium, was described by M. F. Heddle in 1880 from three Scottish localities: two near Tobermory in the island of Mull, and the third a quarry near the pier at Dunvegan in Skye. Further localities for the mineral are Sgfirr nam Boc, Loch Eynort in Skye, and Ardtornish Bay in Morven (Morvern), Argyllshire.

Because of marked similarity in chemical composition it has been suggested that tobermorite might be identical with gyrolite. In view of this and of the current interest in hydrated calcium silicates in cement chemistry the species has been re-examined.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 29 , Issue 218 , September 1952 , pp. 960 - 962
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1952

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References

page 960 note 1 Heddle, M. F., Min. Mag., 1880, vol. 4, p. 119 Google Scholar.

page 960 note 2 M. F. Heddle, Trans. Geol. Soc. Glasgow, 1893, vol. 9, p. 254.

page 960 note 3 Currie, J., Min. Mag.., 1905, vol. 14, p. 93 Google Scholar.

page 960 note 4 E. S. Dana, System of mineralogy. 6th edit., 1892, p. 570; M. It. Hey, Chemical index of minerals, 1950, p. 91.

page 961 note 1 Synthetic CaSiO3.aq.–Ca3Si2O7.aq. Taylor, H.F.W., Journ. Chela. Soc. London, 1950, p. 3682 Google Scholar; L. Heller and I–I. F. W. Taylor, ibid., 1951, p. 2397; 1952, p. 1018. [M.A. 11–314, 471.]