Bituminous coal is relatively soft and dull, as opposed to anthracite which is hard and shiny. Anthracite is also much more dense and pure. Because of its purity (can be up to 98% carbon), Anthracite burns a very hot, smokeless flame.
maybe
Anthracite coal is harder than bituminous coal. Anthracite coal has a relative hardness of 1.3 to 1.4. Bituminous coal has a hardness of less than one.
2.2
metamorphism
Bituminous coal is a soft coal, compared to anthracite coal, a hard coal. Bituminous coal is a long-burning, hot burning source of fuel.
anthracite - northeastern pa bituminous- western pa
maybe
Anthracite coal is harder than bituminous coal. Anthracite coal has a relative hardness of 1.3 to 1.4. Bituminous coal has a hardness of less than one.
2.2
lignite, sub-bituminous, bituminous and anthracite.
lignite, sub-bituminous, bituminous and anthracite.
The protolith of schist is phyllite. The protolith of anthracite is bituminous coal.
No it is not but bituminous coal is
Anthracite.
metamorphism
Bituminous coal is a soft coal, compared to anthracite coal, a hard coal. Bituminous coal is a long-burning, hot burning source of fuel.
bituminous is less hard,and its dull.whereas anthracite is very hard.