Coal type according to appearance
Table
Coal type according to appearance and composition
type main components opaque attritus percent
banded coal (\\>5 percent anthraxylon)
bright anthraxylon and translucent attritus \\<20
semisplint translucent and opaque attritus 20–30
splint anthraxylon and translucent attritus \\<20
nonbanded coal (\\<5 percent anthraxylon)
cannel attritus with spores
boghead attritus with algae
See as table: