chalcophanite

noun chal·coph·a·nite \kalˈkäfəˌnīt\

Definition of chalcophanite

plural

-s

  1. :  a mineral (Zn,Mn,Fe)Mn2O5.nH2O consisting of black hydrous manganese and zinc oxide and having a metallic luster

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Origin and Etymology of chalcophanite

chalc- + phan- (from Greek phainein to show) + -ite; from its change to a copper color when heated


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