I agree with you description because i felt the same in my experiments with many minerals...
In the case of orgonite, which functions like a capacitor with a compressed crystal inside it, there are people who "feel" the energy field quite emphatically. There may not technically be a "sound" associated with it, but some liken it to a sound perhaps because of the way it interacts with the brain. Maybe a better way to say it is that it is reminiscent of sound which for the brain can be the same thing as a sound.