Abstract
THE general arrangement of the third edition of Pt. 2 of Winchell's “Elements” remains broadly the same as in earlier editions. Advances in knowledge of the relations between the optical properties and chemical composition of crystals, especially those affecting the amphibole group, have been incorporated in the text.
Elements of Optical Mineralogy: an Introduction to Microscopic Petrography.
By Prof. Alexander N. Winchell. Third edition. Part 2: Descriptions of Minerals, with Special Reference to their Optic and Microscopic Characters. Pp. xviii + 459. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1933.) 37s. 6d. net.
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Elements of Optical Mineralogy: an Introduction to Microscopic Petrography . Nature 133, 123 (1934). https://doi.org/10.1038/133123b0
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DOI: https://doi.org/10.1038/133123b0