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anthracite
Bituminous coal is sedimentary! Bituminous coal is sedimentary!
There are 2 types of Bituminous coals:- 1. Bituminous metallurgical coal.2. Bituminous steam coal
1. Bituminous metallurgical coal.
2. Bituminous steam coal
Bituminous coal is a soft mineral.
== == 5.5 is the hardness of bituminous!!!