genthelvite

noun
genthel·​vite | \ ˈgen(t)thəlˌvīt, (ˈ)gent¦helˌ-, genˈthelˌ-\
plural -s

Definition of genthelvite

: a mineral (Zn,Fe,Mn)8Be6Si6O24S2 consisting of a silicate and sulfide of zinc and beryllium and usually containing also iron and manganese isomorphous with danalite and helvite

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History and Etymology for genthelvite

Frederick A. Genth †1893 American mineralogist born in Germany + English helvite

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