The equipment was constructed by workers. The mine was constructed by workers. The food to feed the workers was produced by workers. The gold was sold by worker

The equipment was constructed by workers. The mine was constructed by workers. The food to feed the workers was produced by workers. The gold was sold by workers. If value was derived from capital itself, then a pile of tools or machines would spontaneously generate wealth without the application of human labor, and idle money in a bank would somehow enrich society.