Strong's Greek #3139
μαρμάρου

Englishman's Concordance (References)

μαρμάρου marmarou — 1 Occurrence

Revelation 18:12 - N-GMS
GRK:σιδήρου καὶ μαρμάρου
NAS: and bronze and iron and marble,
KJV: iron, and marble,
INT: of iron and of marble