Strong's #923: behat (pronounced bah'-hat)
from an unused root (probably meaning to glisten); white marble or perhaps alabaster:--red (marble).
Brown-Driver-Briggs Hebrew Lexicon:
ּ
bahaṭ
1) a costly stone (perhaps porphyry), red marble
Part of Speech: noun masculine
Relation: from an unused root (probably meaning to glisten)
Usage:
This word is used 1 times:
Esther 1:6: "and silver, upon a pavement of red, and blue, and white, and black marble."