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..., fluorite, vermiculite, mica, bentonite,kaolin, barite, feldspar, quartz, calcium carbonate, pebbles, cryolite, garnet, limestone, manganese ore and so on. Black ore: monocrystalline silicon, ......
..., vermiculite, mica, bentonite,kaolin, barite, feldspar, quartz, calcium carbonate, pebbles, cryolite, garnet, limestone, manganese ore and so on. Black ore: monocrystalline silicon, ......