sternbergite

noun

stern·​berg·​ite

ˈstərnˌbərˌgīt

plural -s

: a dark brown mineral (AgFe₂S₃) that is a silver iron sulfide and occurs in tabular crystals or soft flexible laminae

Word History

Etymology

Count Kaspar M. von Sternberg †1838 Bohemian naturalist + English -ite

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