gahnite Min.
(ˈgɑːnaɪt)
[f. Gahn, the name of a Swedish mining engineer and chemist + -ite.]
An oxide of zinc and alumina, or zinc aluminate occurring in octahedrons; called also zinc-spinel.
| 1808 T. Allan Names Min. 33 Gahnite..a species of zinc ore. 1879 Rutley Study Rocks xiv. 298 The rock contains as accessories..fahlunite, gahnite, chlorospinel, etc. |