Strong's G5474 — χαλκολίβανον (noun)
chalkolibanon (khal-kol-ib'-an-on) n.
1. burnished copper, an alloy of copper (or gold) and silver having a brilliant lustre
[neuter of a compound of G5475 and G3030 (in the implied mean of whiteness or brilliancy)]
KJV: fine brass 
Root(s): G5475, G3030 
Hebrew root: λίβανος
Occurrences: 2