ˈpetˌsīt noun
( -s )
Etymology: German petzit, from W.K. Pecz died 1873 Hungarian geologist who analyzed it + German -it -ite
: a mineral Ag 3 Au Te 2 consisting of a silver gold telluride that is steel gray to iron black (hardness 2.5-3, specific gravity 8.7-9.0)