Anthracite is the highest rank of coal. It has the most amount of carbon, up to 97%, and therefore contains the most energy. It is harder, more dense, and more lustrous than other types of coal
coal has the greatest energy potential is Anthracite.
Anthracite is rarely used for this purpose today because of its limited abundance and relatively high cost and the ready availability of other sources of energy (e.g., natural gas and electricity) for heating purposes.
Major reserves
Among current producers, Russia, China and Ukraine have the largest estimated recoverable reserves of anthracite. Other countries with substantial reserves include Vietnam and North Korea.
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