Dr. Clark explains that each stone starts with a dead parasite or maybe hundreds balled up together? The cyrstals could be calcified protection around dead parasites or toxins.
Just think what these smelly rotten mud balls were doing your liver ducts or close lymph glands most of our adult lives! I have had some people pass black water as rotten as any sewer and cancer stones look like meat and smell so bad that one wiff and up comes your last meal.
The only thing we know for sure is you got alot of toxic acid accumulated waste in large volume for a few bucks, you can't beat it!