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III.—Notes on the Tourmaline of the White Granite of Meldon, Dartmoor

Published online by Cambridge University Press:  01 May 2009

C. A. McMahon
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Extract

This “remarkable variety of granite” was briefly described by Mr. J. J. Harris Teall, F.E.S., in his “British Petrography” (1888), p. 316, and an interesting account was given in a footnote of the process by which the author was able to identify the topaz found in the rock.

Type
Original Articles
Information
Geological Magazine , Volume 8 , Issue 7 , July 1901 , pp. 316 - 319
Copyright
Copyright © Cambridge University Press 1901

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References

page 318 note 1 I confine myself to optical tests and those which can be applied to thin slices.

page 319 note 1 See Dana's textbook, last edition.