Alfred Des Cloizeaux

from Wikipedia, the free encyclopedia
Alfred des Cloizeaux

Alfred Louis Olivier Legrand Des Cloizeaux (born October 17, 1817 in Beauvais , † May 6, 1897 in Paris ) was a French mineralogist .

Des Cloizeaux was born in Beauvais in the French Oise department and studied at the Collège de France in Paris with Jean-Baptiste Biot . He later became professor of mineralogy at the École Normale Supérieure and then at the Museum of Natural History in Paris. He dealt with the Icelandic geysers and published on the classification of igneous rocks . His research focus was on the crystal systematics (including those of feldspar ) and the optical properties of minerals (especially in polarized light ).

Since 1861 he was a corresponding member of the Bavarian Academy of Sciences . In 1868 he was elected a corresponding member of the Göttingen Academy of Sciences . In 1869 Des Cloizeaux became a member of the Académie des Sciences , and in 1889 its president. In 1870 he received the Rumford Medal of the Royal Society , in which he was elected in 1875 as a "Foreign Member". From 1871 he was a corresponding member of the Russian Academy of Sciences in Saint Petersburg and from 1878 an elected member of the American Philosophical Society . The American Academy of Arts and Sciences in Cambridge , Massachusetts elected him a member in 1880. In 1886 he was awarded the Wollaston Medal of the Geological Society of London .

Cloizeaux, together with Augustin Alexis Damour, is considered to be the first to describe the mineral chalcomenite .

The mineral Descloizit was named in his honor.

Individual evidence

  1. ↑ Die kleine Enzyklopädie , Encyclios-Verlag, Zurich, 1950, Volume 1, p. 348
  2. ^ Member entry of Alfred Des Cloizeaux at the Bavarian Academy of Sciences , accessed on January 25, 2017.
  3. ↑ Holger Krahnke: The members of the Academy of Sciences in Göttingen 1751-2001 (= Treatises of the Academy of Sciences in Göttingen, Philological-Historical Class. Volume 3, Vol. 246 = Treatises of the Academy of Sciences in Göttingen, Mathematical-Physical Class. Episode 3, vol. 50). Vandenhoeck & Ruprecht, Göttingen 2001, ISBN 3-525-82516-1 , p. 60.
  4. ^ Member History: Alfred LOL Des Cloizeaux. American Philosophical Society, accessed June 22, 2018 .
  5. ^ Hugo Strunz , Ernest H. Nickel: Strunz Mineralogical Tables . 9th edition. E. Schweizerbart'sche Verlagbuchhandlung (Nägele and Obermiller), Stuttgart 2001, ISBN 3-510-65188-X , p. 273 .
personal data
SURNAME Des Cloizeaux, Alfred
ALTERNATIVE NAMES Des Cloizeaux, Alfred Olivier
BRIEF DESCRIPTION French mineralogist
DATE OF BIRTH October 17, 1817
PLACE OF BIRTH Beauvais
DATE OF DEATH May 6, 1897
Place of death Paris