Abstract
THIS part of Gmelin's “Handbuch” contains a historical account of the discovery and occurrence of the so-called ‘rare earths’, a description of their minerals and an account of their geographical distribution. The discovery of large deposits of monazite sand in Brazil, in North and South Carolina and in India has perhaps rendered the designation rare earths misleading, but it is in common use, although in this work the term includes the elements scandium and yttrium as well as the fascinating cluster of elements which bridges the gap between barium and hafnium.
Gmelins Handbuch der anorganischen Chemie
Achte völlig neu bearbeitete Auflage. Herausgegeben von der deutschen chemischen Gesellschaft. System-Nummer 39: Seltene Erden. Lief. 1: Einleitender überblick, Geschichtliches, Vorkomnien. Pp. 122 + iv. (Berlin: Verlag Chemie, G.m.b.H., 1938.) 14.25 gold marks.
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Gmelins Handbuch der anorganischen Chemie. Nature 144, 959 (1939). https://doi.org/10.1038/144959a0
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DOI: https://doi.org/10.1038/144959a0