Anthracite The Best Quality Of Coal

Which is the best quality of coal with least ash content?

Anthracite is the best quality of coal with least ash content. Anthracite 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, and has the highest calorific content as compared to other types of coals such as bituminous […]