Why overlay the altar with pure gold? It wasn't just about looking good.
The repeated emphasis on 'pure gold' throughout the tabernacle's construction, including this altar, is a powerful statement about God's nature and His dwelling place.
Reflecting God's Purity
Gold, a precious and incorruptible metal, was the highest standard of value and beauty in the ancient world. Its use here signifies the absolute perfection, holiness, and divine glory of God. Nothing less than the best was suitable for Him.
A Sacred Boundary
Overlaying every surface – the top, sides, and horns – with pure gold established a clear boundary. This wasn't just a decorative choice; it declared that everything about this altar, where sacrifices were made and incense offered, was set apart for God's exclusive use and touched by His divine presence. It separated the sacred from the profane.