Anthracite contains 86-97 percent carbon, and has a heating value slightly lower than bituminous coal. It is very rare in the United States, accounting for less than one-half of a percent of the coal mined in the U. S. All of the anthracite mines in the United States are located in northeastern Pennsylvania.
Anthracite contains 86-97 percent carbon, and has a heating value slightly lower than bituminous coa