The thing about gold is: it lies inert. I mean, it shines, but...
Dubloons, you've heard the pirates speak of them. 490 years lie, ocean floor notwithstanding, and not a bit of tarnish, no rust.
Just try that with your silver, your iron, brass, your copper plate!
Gold. It runs, blurs, but -cool- it does not interact.
For this reason we think of it as pure, as spiritual:
Gold knows only its own soul.
Like a frigid bride it bides its time, growing not older, but alone