Strong's #124: 'odem (pronounced o'-dem)

from 119; redness, i.e. the ruby, garnet, or some other red gem:--sardius.

Brown-Driver-Briggs Hebrew Lexicon:

'ôdem

1) ruby, carnelian (redness)

1a) precious stone

Part of Speech: noun feminine

Relation: from H119

Usage:

This word is used 3 times:

 

Exodus 28:17: "rows of stones: the first row shall be a sardius, a topaz, and a carbuncle: this shall be the first row."
Exodus 39:10: "rows of stones: the first row was a sardius, a topaz, this was the first row."
Ezekiel 28:13: "precious stone the sardius, topaz, and the diamond, the beryl, the onyx,"