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gahnite

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gahn·ite  (gänt)
n.
A dark green to brown or black mineral, ZnAl2O4. Also called zinc spinel.
[After Johan Gottlieb Gahn (1745-1818), Swedish mineralogist.]
gahnite [ˈgɑːnaɪt]
n
(Earth Sciences / Minerals) a dark green mineral of the spinel group consisting of zinc aluminium oxide. Formula: ZnAl2O4
[named after J. G. Gahn (1745-1818), Swedish chemist; see -ite1]
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Aluminum bronze results in alumina deposits, silicon bronze in silica deposits and trace aluminum in brass results in the complex gahnite (zinc alumina spinel).
Refractory failure in induction furnaces can be limited by Stark, Ronald A. / Modern Casting
A combination of well-characterized minerals and synthetic materials were used to calibrate for EPMA, including SMS scapolite (S and Cl), Corning W glass (6) (Co), SMS gahnite (Zn), SMS cassiterite (Sn), SMS strontianite and Corning X glass (Sr).
Microbeam characterization of Corning archeological reference ... by Wysoczanski, Richard / Journal of Research of the National Institute of Standards and Technology
These anomalies are characterized by sulphide paragneiss with variable amounts of accessory pyrrhotite +/- magnetite +/- garnet +/- biotite +/- gahnite.
Intrepid-BHP Billiton Discover Cannington-Style Indicator Minerals at ... by Business Wire
 
 
 
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