'eqdach (Hebrew #688)
burning, i.e. a carbuncle or other fiery gem
KJV usage: carbuncle.
Pronounce: ek-dawkh'
'eben (Hebrew #68)
a stone
KJV usage: + carbuncle, + mason, + plummet, (chalk-, hail-, head-, sling-)stone(-ny), (divers) weight(-s).
Pronounce: eh'-ben
Origin: from the root of 1129 through the meaning to build