anthracite
Sign in to saveAnthracite, also known as hard coal and black coal, is a hard, compact variety of coal that has a submetallic lustre. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
AI overview
Anthracite is a hard, shiny type of coal with the highest carbon content and lowest impurities among all coal varieties, making it the most energy-dense fuel source in its category. Because of these superior qualities, it ranks highest among coal types and was historically valued as an efficient fuel source.
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Key facts
- Rock.name
- Anthracite coal
- Rock.alternative_name
- Black coal, hard coal, stone coal, blind coal, Kilkenny coal, crow coal, craw coal, black diamond
- Rock.type
- Metamorphic
- Rock.image
- Anthracite chunk.JPG
- Rock.image_size
- 250px
- Rock.image_alt
- Anthracite coal
- Rock.image_caption
- Anthracite coal
- Rock.composition
- 86–97% carbon
via Wikipedia infobox
Article
15 sectionsContents
- Names
- Properties
- History of mining and use
- Anthracite today
- Mining
- Sizing and grading
- High grade
- Semianthracite
- Underground fires
- Major reserves
- See also
- References
- Further reading
- Primary sources
- External links
Anthracite, also known as hard coal and black coal, is a hard, compact variety of coal that has a submetallic lustre. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
The Coal Region of Northeastern Pennsylvania in the United States has the largest known deposits of anthracite coal in the world with an estimated reserve of seven billion short tons (6.35 billion metric tons). China accounts for the majority of global production; other producers include Russia, Ukraine, North Korea, South Africa, Vietnam, Australia, Canada, and the United States. The total production of anthracite worldwide in 2023 was 632 million short tons (573 million metric tons).