sillenite

noun sil·len·ite \ ˈsiləˌnīt \

Definition of sillenite

plural -s
:a mineral Bi2O3 that consists of a native bismuth oxide in earthy masses and that is polymorphous with bismite

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Origin and Etymology of sillenite

L. G. Sillén, 20th century Swedish mineralogist + English -ite


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