gahnite

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noun gahn·ite \ˈgä-ˌnīt\

Definition of gahnite

  1. :  a usually dark green mineral consisting of an oxide of zinc and aluminum

Origin and Etymology of gahnite

borrowed from French gahnite or German Gahnit, from Johan Gottlieb Gahn, †1818 Swedish chemist and mineralogist + -ite, -it 1-ite The introduction of the name is credited to the Austrian-born naturalist Karl Erenbert von Moll (1760-1838), who used Gahnit in a discussion of the mineral in his Efemeriden der Berg- und Hüttenkunde, 3. Band (1807), pp. 78-80; Moll states that he preferred this appellation to earlier Automolit, suggested by the Swedish chemist Anders Gustaf Ekeberg (“Untersuchungen eines harten octaëdrisch kristallisirten Fossils aus Fahlun,” Neues allgemeines Journal der Chemie, 5. Band [1805], pp. 442-55). The name had in fact been used earlier, as gahnite, by the French chemist Louis Nicolas Vauquelin (“Analyse d'un minéral particulier connu sous le nom de cristaux trouvés à Fahlun en Suède, envoyé par MM. Hisenger et Berzelius,” Annales du Muséum d'Histoire Naturelle, tome 16 (1805), pp. 157-62. Both Ekeberg and Vauquelin credit the discovery of the mineral at Falun Mine, Dalarna, Sweden to Johan Gottlieb Gahn (1745-1818), who directed a laboratory there.


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