The finest quality coal is called the bituminous coal, it is finer than the lignite coal.
anthracite is the best quality of coal
new England
Black coal is a high-quality variety of coal.
Welsh coal is supposedly the best quality. It was used by British rail in their steam trains. Welsh coal burns hotter.
jharkhand produces best and largest quality and quantity of coal in india.
Low quality coal tends to be slow burning, smoky and produce a lot of ash. High quality coal burns better and is less smoky and produces less ash.
Niger
Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen. It is of higher quality than lignite coal but of poorer quality than anthracite. Formation is usually the result of high pressure being exerted on lignite.
jharkhand
yes
anthracite about 90% carbon