name any examples of hard coal
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Anthracite: The highest rank of coal. It is a hard, brittle, and black lustrous coal, often referred to as hard coal, containing a high percentage of fixed carbon and a low percentage of volatile matter. Bituminous: Bituminous coal is a middle rank coal between subbituminous and anthracite
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Antracite is known as Hard coal,compact
variety of coal which has submetallic luster.
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