Rene Just Haüy

The abbot Rene Just Haüy , born the February 28th 1743 with Saint-Just-in-Roadway in the Oise and dead the June 3rd 1822 with Paris, is a French mineralogist, founder of the modern Minéralogie.

He is the brother of Valentine Haüy, which devoted its life to the blind men. In 1793, it determines, in collaboration with Antoine Lavoisier, the value of the new unit of mass, known under the name of Kilogram, for the Commission of the weights and measures of the Academy of Science, of which it is elected member in 1783. Holder of one pulpit to the Faculty of arts of the Sorbonne, it teaches mineralogy with the national Muséum of natural history of 1802 with 1822.

Haüy showed that the shape of the crystals resulted from the stacking of small volumes of matter which it named integral molecules, and whose its pupil, Gabriel Delafosse will deduce the concept of mesh in 1840.

Died in 1822, it rests with the cemetery of the Father-Lachaise to Paris.

Work

Les work available to format pdf on the site of the National library of France is indicated by “BNF”.

A tentative a theory on the structure of the crystaux (1784) BNF
Exposure reasoned of the theory of electricity and magnetism, according to the principles of Æpinus (1787) BNF
Of the structure considered as distinctive character of the minerals (1793)
Exposition shortened of the theory of the structure of the crystals (1793) BNF
Extracts from an elementary treaty from mineralogy (1797)
Traité mineralogy (5 flights, 1801) BNF: Volume 1 Volume 2 Tome 3 Volume 4 Tome 5
elementary Traité of physics (2 flights 1803,1806)
comparative Table of the results of crystallography, and the chemical analysis relative to the classification of the minerals (1809) BNF
Traité invaluable stones (1817) BNF
Traité crystallography (2 flights, 1822)

He writes many articles for various scientific newspapers. He publishes in particular in the Journal of physics and the Annales of the Museum of Natural history .

Homages

Its name is registered on the lathe Eiffel.

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