bn:00179024n
Noun Concept
Categories: Wikipedia articles incorporating a citation from the New International Encyclopedia, Symbols of West Virginia, Coal, Sedimentary rocks
EN
Bituminous coal  black coal
EN
Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen or asphalt. Wikipedia
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EN
Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen or asphalt. Wikipedia
Collective term for higher quality coal Wikidata
Variety of coal Wikidata
A natural black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds. OmegaWiki
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