Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 334
Fig. 348.Aerolites are composed of the same elementary substancesas occur in terrestrial minerals, not a single new elementhaving been found in their analysis. Of the sixty or more ASTRONOMY. 307 elements now recognized by chemists, about twenty have beenfound in aerolites. While aerolites contain… … Fig. 349- peculiar as to enable us by chemical analysis to distinguishan aerolite from any terrestrial substance. Iron ores are very abundant in nature, but iron in themetallic state is exceedingly rare. Now, aerolites invariablycontain metallic iron, sometimes from ninety to ninety-six percent.…
Astronomy
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