rezbanyite
noun
rez·ban·yite
rezˈbanˌyīt
plural -s
: a mineral Pb3Cu2Bi10S19 consisting of lead, copper, and bismuth sulfide and occurring in metallic-gray granular masses (specific gravity 6.1–6.4)
Word History
Etymology
German rezbanyit, from Rézbánya, Hungary (now Băiţa, Romania) + German -it -ite