definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
Sajarah
asal
pennsylvania, kita
panemu
Ora dingerteni
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
kelas
rocks metamorphic
sub-kelas
awet rock, rock alus
kulawarga
group
-
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque