One of the mysteries of the English language finally explained.
A sulphide of lead, copper, and bismuth occurring as light grey masses and now regarded as a mixture of minerals.
Mid 19th century (in an earlier sense). From German Rezbanyit (R. Hermann 1858, in Jrnl. f. prakt. Chem 75 450; A. Frenzel 1882, in Mineral. u. petrogr. Mittheil 5 178) from Rezbanya, Retzbanya (Hungarian Rézbánya), the name of a village formerly in Hungary (now Băiţa in Romania) + -it.
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