Coal

Color

Moisture

Fixed Carbon

Heating Value (BTU)

Lignite

Brown

70%

7,000

Subbituminous

Black

43%

70%

9,000

Bituminous

Black

5%

80%

13,500

Superbituminous

Black

83%

16,000

Anthracite

Black (Vit)

2%

90%

13,000