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Hydrocalumite (4CaO.Al2O3.12H2O), a new mineral from Scawt Hill, Co. Antrim

Published online by Cambridge University Press:  14 March 2018

C. E. Tilley*
Affiliation:
University of Cambridge

Extract

In a further search for portlandite amongst the vug minerals of the Scawt Hill contact-zone, attention was drawn to some infillings containing a mineral which had not previously been observed. These infillings, which occur in a larnite-rock carrying melilitewollastonite aggregates of the hybrid zone of the contact, consist of afwillite, portlandite, ettringite, and aggregates of a mineral, the light-greenish colour of which was conspicuous.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1934

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References

page 607 note 1 Tilley, C. E., Min. Mag., 1933, vol. 23, p. 419.Google Scholar

page 607 note 2 Tilley, C. E., Min. Mag., 1931, vol. 22, p. 439 Google Scholar

page 608 note 1 Dittler, E. and Hueber, H., Zeits. Anorg. Chem., 1931, vol. 195, p. 41 CrossRefGoogle Scholar ; 1931, vol. 199, p. 17. [Min. Abstr., vol. 5, p. 141.]

page 609 note 1 Mylius, C. R. W., Über Calciumaluminathydrate und deren Doppelsalze. Acta Acad. Aboensis, Math. et Physiea, 1933, vol. 7, no. 3, 147 pp.Google Scholar

page 609 note 2 Assarsson, G., Zeits. Anorg. Chem., 1930, vol. 191, p. 333 ; 1931, vol. 200, p. 391 ; 1932, vol. 205, p. 338.CrossRefGoogle Scholar [M.A. 5-450.]

page 612 note 1 Megaw, H. D., The crystal structure of hydrargillite. Zeits. Krist., 1934, vol. 87, p. 185.Google Scholar [M.A. 5-471.]