marble

Boyd’s Bible Dictionary:

(shining). Any white or shining stone is meant (1 Kings 7:9-12; Esther 1:6; Rev. 18:12).

Concise Bible Dictionary:

The well-known stone that takes a high polish. It was used in Solomon’s temple, and there were pillars of marble in the Persian palace. Babylon, or Papal Rome, in her luxury imported marble (1 Chron. 29:2; Esther 1:6; Song of Sol. 5:15; Rev. 18:12).
Marble

Strong’s Dictionary of Greek Words:

Greek:
μάρμαρος
Transliteration:
marmaros
Phonic:
mar’-mar-os
Meaning:
from μαρμαίρω (to glisten); marble (as sparkling white)
KJV Usage:
marble