Continuing the "GOLD" theory, here's a bit of info on how gold was discovered. Isn't it weird that no one knows who or how gold was discovered and used?

"...no one knows who actually discovered gold. It is
hypothesised that gold was the first metal used by humans, being valued
for ornaments and rituals. Gold was very common in ancient Egypt and
many ancient cultures bartered and/or bought products and services with
gold. Gold is mentioned very early in the Old Testament of the Bible
and is also one of the gifts of the wise men to Jesus. .."