definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
saka anthrakites greek, saka anthrax, anthrak meaning coal
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
lignite punika coal brownish alus kang nuduhake ngambah tetanduran lan ing antarané coal bituminous lan peat
saka french, kayu lignum latin + -ite1
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque