Biblical pure gold, as it were transparent glass structures on Earth?

"the city was pure gold, like unto clear glass."

"the street of the city was pure gold, as it were transparent glass."
https://biblehub.com/kjv/revelation/21.htm

Massive Crystal Pyramids Found at the Bottom of the Bermuda Triangle

Ancient Aliens: Crystal City Discovered Under Antarctica (Season 18)

Bermuda Triangle secret, Crystal Pyramid in the Bermuda

Ancient Crystal Ball of Power Found Under the Sea

"17For nothing is secret, that shall not be made manifest; neither any thing hid, that shall not be known and come abroad"
https://biblehub.com/kjv/luke/8.htm