Anthracite
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Anthracite (Greek Ανθρακίτης, literally "a form of coal", from Anthrax [Άνθραξ], coal) is a hard, compact variety of mineral coal that has a high luster. It has the highest carbon count and contains the fewest impurities of all coals, despite its lower calorific content.

Anthracite coal is the highest of the metamorphic rank, in which the carbon content is between 92% and 98%. The term is applied to those varieties of coal which do not give off tarry or other hydrocarbon vapours when heated below their point of ignition. Anthracite ignites with difficulty and burns with a short, blue, and smokeless flame.

Other terms which refer to anthracite are blue coal, hard coal, stone coal (not to be confused with the German Steinkohle or Dutch steenkool), blind coal (in Scotland), Kilkenny coal (in Ireland), crow coal (or craw coal from its shiny black appearance), and black diamond. The imperfect anthracite of north Devon and north Cornwall (around Bude) in England, which is used as a pigment, is known as culm. Culm is also the term used in geological classification to distinguish the strata in which it is found and similar strata in the Rhenish hill countries are known as the Culm Measures. In America, culm is used as an equivalent for waste or slack in anthracite mining.

• Blaschak Coal Corp. - Blaschak Coal Corporation is currently operated by the second generation of Blaschaks. Eleven family members are all actively involved, collectively bringing in excess of one hundred years of mining experience. The family based organization has a long-term personal and financial commitment to producing premium Anthracite products. The company has invested heavily in state-of-the-art equipment and technology to compete and succeed in this capital-intensive industry. Blaschak Coal Corporation's passion for quality, dedication to customer service and commitment to the environment have established the company as a leader in the heating and industrial carbon fields.
• Jeddo Coal Company - The people that make up Jeddo Coal Company have a long history in the Pennsylvania anthracite industry. In 1934, the company’s founders pooled their resources and purchased the flooded Sullivan Trail Mine located in the Borough of West Pittston.
• Lehigh Coal and Navigation Company -- Anthracite Extraordinaire ::: The first and oldest producer of premium anthracite coal in the United States, the Lehigh Coal & Navigation Company was known for many years simply as "The Old Company," a reflection of its pre-eminent position in the mining industry.  Now known as LCN, its 8,000 acres includes the richest deposits of the best anthracite coal in the world.  Today's LCN retains its legacy and solid reputation for quality while exploring anthracite's role as an invaluable resource for use in the 21st Century. LCN continues to mine anthracite for use throughout the world in domestic and industrial applications, including its emergence as a "Next Gen" fuel for co-generation.
• Reading Anthracite Company - Pottsville, PA - The anthracite coal sold by READING ANTHRACITE COMPANY is used in various industries and applications. The primary uses are as a fuel for residential and commercial heating, metallurgical refining and processing, fuel for electric utility power plants, and water purification/filtration.