gibbsite Min.
(ˈgɪbzaɪt)
[named after George Gibbs, an American mineralogist: see -ite.]
Aluminium hydrate found in stalactitic forms, often as an incrustation.
| 1822 Cleaveland Min. 783 Dr. Torrey..has proposed for this mineral the name of Gibbsite, in honor of Col. George Gibbs. 1873 Proc. Amer. Phil. Soc. XIII. 373 A pseudomorph of gibbsite after corundum. |