Overview
Sardonyx is a semi-precious stone combining layers of sard (reddish-brown) and onyx (white). In Scripture, it appears exclusively in John's vision of the heavenly city, representing one of twelve foundation stones that display God's majesty and the perfection of His eternal dwelling place.
Key Scriptures
"The foundations of the city wall were adorned with every kind of precious stone. The first foundation was jasper; the second, sapphire; the third, agate; the fourth, emerald; the fifth, sardonyx; the sixth, carnelian; the seventh, chrysolite; the eighth, beryl; the ninth, topaz; the tenth, turquoise; the eleventh, jacinth; and the twelfth, amethyst." (Revelation 21:19, NIV)
Application
As believers, we can meditate on the beauty of heaven's foundation stones as a reminder that God is building an eternal city of indescribable glory for those who trust in Christ, encouraging our hope and faithfulness in present trials.