Ezekiel 1:7

And their feet were straight feet; and the sole of their feet was like the sole of a calf’s foot: and they sparkled like the colour of burnished brass.

Cross-reference

Ezekiel 1:13 continues describing the living creatures with fire and brightness, complementing the metallic gleam of their feet.

Ezekiel 40:3 describes a man with appearance like bronze, sharing the metallic imagery but in a different vision context.

Daniel 10:6 Allusion

Daniel 10:6 describes a heavenly figure with legs like burnished bronze, directly echoing the same metallic gleam here.

Revelation 1:15 uses the same 'burnished bronze' imagery for Christ's feet, echoing Ezekiel's vision of the living creatures.