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danaite

American  
[dey-nuh-ahyt] / ˈdeɪ nəˌaɪt /

noun

Mineralogy.
  1. a variety of arsenopyrite having cobalt in place of some of the iron.


Etymology

Origin of danaite

First recorded in 1825–35, named after J. F. Dana (1793–1827), American chemist; -ite 1