See also:Hauy, from being an honorary
See also:canon of Notre
See also:Dame, was
See also:born at St Just, in the department of
See also:Oise, on the 28th of
See also:February 1743 . His parents were in a humble
See also:rank of
See also:life, and were only enabled by the kindness of friends to send their son to the
See also:college of
See also:Navarre and afterwards to that of Lemoine . Becoming one of the teachers at the latter, he began to devote leisure
See also:hours to the study of botany; but an accident directed his
See also:attention to another
See also:field in natural
See also:history . Happening to let fall a specimen of calcareous spar belonging to a friend, he was led by examination of the fragments to make experiments which resulted in the statement of the geometrical
See also:law of
See also:crystallization associated with his name (see CRYSTALLOGRAPHY) . The value of this
See also:discovery, the mathematical theory of which is given by Hauy in his Traite de mineralogie, was immediately recognized, and when communicated to the Academy, it secured for its author a place in that society . Ha iiy's name is also known for the observations he made in pyro-
See also:electricity . When the Revolution broke out, he was thrown into prison, and his life was even in danger, when he was saved by the intercession of E . Geoffroy
See also:Saint-Hilaire . In 1802, under
See also:Napoleon, he became
See also:professor of
See also:mineralogy at the museum of natural history, but after 181.4 he was deprived of his appointments by the
See also:government of the Restoration . His latter days were consequently clouded by poverty, but the courage and high moral qualities which had helped him forward in his youth did not
See also:desert him in his old age; and he lived cheerful and respected till his
See also:death at
See also:Paris on the 3rd of
See also:June 1822 . The following are his
See also:works: Essai d'une theorie sur la structure
See also:des cristaux (1784); Exposition raisonnee de la theorie de l'electricite et du magnetisme, d'apres
See also:les principes d'Aepinus (1787); De la structure consideree comme caractere distinctif des mineraux (1793); Exposition abregee' de la theorie de la structure des cristaux (1793); Extrait d'un traite elementaire de mineralogie (1797); Traite de mineralogie (4 vols., 18oi); Traite elementaire de physique (2 vols., 1803, 'Sob); Tableau comparatif des resultats de la cristallographie, et de l'analyse chirnique relativement a la
See also:classification des mineraux (1809); Traite des pierres precieuses (1817); Traite de cristallographie (2 vols., 1822) . He also contributed papers, of which Too are enumerated in the Royal Society's
See also:catalogue, to various scientific
See also:journals, especially the Journal de physique and the
See also:Annals du Museum d'Histoire Naturelle .
COMTE ALEXANDRE MAURICE BLANC DE LANAUTTE HAUTRRIVE...
HAVANA (the name is of aboriginal origin; Span. Hab...
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