Pyramids are tuned to specific frequencies too.
Is it possible they used the suns light to harness its sound. Yes!

No man in the sky. Its all about the frequency.

I don't know too much about this for healing but let's say you replace the stones but keep the colours.. so the heart is green
Now use the frequency associated with green and play that over the heart to heal etc

The only way the stones make sense if those stones frequency matches the colours associated with certain parts of the body.

Hidden hand in hundreds of his pics

Came into power in 1933