argentite

noun
ar·​gen·​tite | \ ˈär-jən-ˌtīt How to pronounce argentite (audio) \

Definition of argentite

: a dark gray or black mineral of metallic luster that consists of native sulfide of silver and is a valuable silver ore

First Known Use of argentite

circa 1868, in the meaning defined above

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The first known use of argentite was circa 1868

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authorized for issue (as a bond)

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