Abstract
THE study of mineralogy has received a new stimulus in recent years from discoveries in radioactivity and in the use of X-rays for the exploration of crystal-structure. Just as the determination of optical principles from large and specially selected specimens laid the foundations of microscopic petrography, so these later physical experiments are bound to provide new methods of mineral analysis. While enlarging in the widest sense the bounds of human knowledge, they I will reveal the alliances and differences among minerals that bring a philosophic touch into the dry matter of classification. The third appendix to Dana's “System of Mineralogy,” drawn up by Prof. Ford, shows the fresh material available for research, and the progress that has been made through new observations on established species in the last six years. A special list is given of literature on X-rays and crystal structure.
Third Appendix to the Sixth Edition of Dana's System of Mineralogy.
By Prof. W. E. Ford. Completing the work to 1915. Pp. xiii + 87. (New York: J. Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1915.) Price 6s. 6d. net.
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C., G. Third Appendix to the Sixth Edition of Dana's System of Mineralogy . Nature 97, 55–56 (1916). https://doi.org/10.1038/097055b0
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DOI: https://doi.org/10.1038/097055b0