Hostname: page-component-cd9895bd7-p9bg8 Total loading time: 0 Render date: 2024-12-26T06:32:58.740Z Has data issue: false hasContentIssue false
  • English
  • Français

Topaz from the Meldon aplite, Devonshire

Published online by Cambridge University Press:  05 July 2018

M. Nawaz Chaudhry  and
R. A. Howie
M. Nawaz Chaudhry
Affiliation:
Department of Geology, University of the Panjab, Lahore, West Pakistan
R. A. Howie
Affiliation:
Department of Geology, King's College, London, W.C. 2
Get access Rights & Permissions [Opens in a new window]

Summary

Chemical analyses, optical properties, specific gravities, and cell dimensions are presented for six topazes. A linear relationship is confirmed between the b cell dimension and the OH/(OH+F) ratio.

Type
Research Article
Information
Mineralogical Magazine , Volume 37 , Issue 290 , June 1970 , pp. 717 - 720
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1970

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Deer, (W. A.), Howie, (R. A.), and Zussman, (J.), 1962. Rock-forming Minerals, 1, 145. London (Longmans).Google Scholar
Grimaldi, (F. S.), Ingram, (B.), and Cuttitta, (F.), 1955. Determination of small and large amounts of fluorine in rocks. Anal. Chem. 27, 918-21.CrossRefGoogle Scholar
Rosenberg, (P. E.), 1967. Variations in the unit-cell dimensions of topaz and their significance. Amer. Min. 52, 1890-5.Google Scholar
Russell, (A.), 1924. Topaz from Cornwall, with an account of its localities. Min. Mag. 20, 221-36.Google Scholar
Winchell, (A. N.), 1962. Elements of Optical Mineralogy, 2, 509. New York (Wiley).Google Scholar
Worth, (R. H.), 1920. The geology of the Meldon Valleys near Okehampton, on the northern verge of Dartmoor. Quart. Jottrn. Geol. Soc. 75, 77-114.10.1144/GSL.JGS.1919.075.01-04.09CrossRefGoogle Scholar