gahnite

(gänīt′)

noun

a dark green to black, very hard, brittle, crystalline mineral, ZnAlO, found in schists, pegmatites, etc.; zinc spinel

Origin: Ger gahnit, after J. G. Gahn (1745-1818), Swed chemist

See gahnite in American Heritage Dictionary 4

noun
A dark green to brown or black mineral, ZnAl2O4. Also called zinc spinel.

Origin:

Origin: After Johan Gottlieb Gahn (1745-1818), Swedish mineralogist

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