Small-scale / illegal mines are a big issue in China and India, so I suppose it can be commingled into that chain: https://e360.yale.edu/features/china-wrestles

Small-scale / illegal mines are a big issue in China and India, so I suppose it can be commingled into that chain: https://e360.yale.edu/features/china-wrestles-with-the-toxic-aftermath-of-rare-earth-mining https://e360.yale.edu/features/china-wrestles-with-the-toxic...