danalite

noun

da·​na·​lite

ˈdānəˌlīt

plural -s

: a mineral (Fe,Zn,Mn)₈Be₈Si₆O₂₄S₂ that consists of a reddish or gray silicate and sulfide of iron and beryllium usually containing also zinc and manganese and that is isomorphous with helvite and genthelvite

Word History

Etymology

James D. Dana †1895 American geologist + English -lite

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