digenite
Noun
Meaning
digenite (usually uncountable, plural digenites)
(mineralogy) A black to dark blue opaque copper sulfide mineral with chemical formula Cu9S5.
Synonyms
millerite
cobaltite
chalcanthite
copper sulfate
arsenopyrite
blue vitriol
linnaeite
tennantite
pentlandite
jamesonite
pyrargyrite
atacamite
geocronite