--- title: README emoji: 📈 colorFrom: yellow colorTo: yellow sdk: static pinned: false --- 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**. If you'd like to support what we do: https://opencollective.com/anthracite-org