See also:born in
See also:Paris on the 7th of
See also:August 1844 . He became inspector-general of mines, and director of the
See also:Geological Survey of France . He was distinguished for his researches on eruptive rocks, their microscopic structure and origin; and he early employed the polarizing microscope for the determination of minerals . In his many contributions to scientific
See also:journals he described the granulite
See also:group, and dealt with pegmatites,
See also:variolites, eurites, the ophites of the Pyrenees, the
See also:extinct volcanoes of Central France, gneisses, and the origin of crystalline
See also:schists . He wrote Structures et
See also:des roches cruptives (1889), but his more elaborate studies were carried on with F .
See also:Fouque . Together they wrote on the artificial production of
See also:nepheline and other minerals, and also of meteorites, and produced Mineralogie micrographique (1879) and Synthese des mineraux et des roches (1882) .
See also:Levy also collaborated with A . Lacroix in
See also:Les Mineraux des roches (1888) and Tableau des mineraux des roches (1889) .
AMY LEVY (1861–1889)
FANNY LEWALD (1811–1889)
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