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Geology, Palaeontology & Archaeology / Re: Is This Something To Do With Coal ?
« Last post by nicephotog on Today at 08:30:42 »could be this
calcined petroleum coke
https://www.qfindustrial.com/low-sulfur-pet-cokecalcined-petroleum-coke-price-for-carbon-product/
calcined petroleum coke
https://www.qfindustrial.com/low-sulfur-pet-cokecalcined-petroleum-coke-price-for-carbon-product/