helvite

noun

hel·​vite

ˈhelˌvīt

variants or less commonly helvin

-və̇n

or helvine

",

-ˌvēn

plural -s

: a silicate mineral (Mn,Fe,Zn)₈Be₆O₂₄S₂ consisting of sulfide of manganese and beryllium and usually containing also iron and zinc that is isomorphous with danalite and genthelvite

Word History

Etymology

helvite alteration (influenced by -ite) of helvin; helvin, helvine from German helvin, from Latin helvus light-bay-colored + German -in

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