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Anthracite, also called hard coal, which is the most highly metamorphosed form of coal. More fixed carbon, about 86% or greater, make anthracite has calorific values near 35 MJ/kg. Anthracite is the least plentiful form of coal, which is less than 2% of all coal reserves in the world. Smaller amounts of anthracite occur in South Africa, Australia, Western Canada, China, and other countries. Therefore, it is a huge profitable business to convert fines anthracite to briquettes with unique shapes, to produce alternative fuel.