I had never heard of mineral pitches until recently. It is a tar-like substance made from concentrated prehistoric plant material that was covered by the Himalayas during their formation due to tectonic plates colliding. They also swallowed an ancient sea, whose waters evaporated over time, leaving behind traces in the form Himalayan salt. A local book seller told me that he had problems with his hand, which was becoming a claw, and that he couldn't straighten them. He sought advice…