strigovite

noun

strig·​o·​vite

ˈstrigəˌvīt

plural -s

: a mineral Fe₃(Al,Fe)₃Si₃O₁₁(OH)₇ consisting of a basic silicate of iron and aluminum of the chlorite group and occurring in dark green crystalline incrustations

Word History

Etymology

German strigovit, from Striegau, Silesia (now Strzegom, Poland) + German -it -ite

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