noun franck·e·ite \ˈfräŋkəˌīt\

Definition of franckeite



  1. :  a mineral consisting of a dark gray or black massive lead antimony tin sulfide (specific gravity 5.55)

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Origin and Etymology of franckeite

German franckeït, from Carl and Ernest Francke, 19th century German mining engineers + German -it -ite

First Known Use: 1893

Seen and Heard

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a rounded knoll or a ridge of ice

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