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Is coal hard?
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.
What is hard coal?
2.2
Which process is anthracite coal formed from bituminous coal?
metamorphism
What does bituminous coal?
Bituminous coal is a soft coal, compared to anthracite coal, a hard coal. Bituminous coal is a long-burning, hot burning source of fuel.
What type of coal is harder than bituminous or anthracite?
bituminous is less hard,and its dull.whereas anthracite is very hard.
Where are bituminous and anthracite coal found in pa?
anthracite - northeastern pa bituminous- western pa
Is coal hard?
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.
What is hard coal?
2.2
What are Four types of coal are?
lignite, sub-bituminous, bituminous and anthracite.
What are the four types of coal are?
lignite, sub-bituminous, bituminous and anthracite.
What are the protoliths of Schist and Anthracite coal?
The protolith of schist is phyllite. The protolith of anthracite is bituminous coal.
Is anthracite a sedimentary rock?
No it is not but bituminous coal is
In the formation of coal what stage occurs after bituminous coal?
Anthracite.
Which process is anthracite coal formed from bituminous coal?
metamorphism
What does bituminous coal?
Bituminous coal is a soft coal, compared to anthracite coal, a hard coal. Bituminous coal is a long-burning, hot burning source of fuel.
What type of coal is harder than bituminous or anthracite?
bituminous is less hard,and its dull.whereas anthracite is very hard.
What does coal turn into after being pressured by heat and force?
Bituminous coal is changed by heat and pressure into the metamorphic rock anthracite.
