definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
banget nggoleki rock fault grained kang dumadi saka matrik glassy sing asring ngandhut inclusions pecahan wall-rock.
saka pseudo- + tachylite, a rock glassy déning panas frictional ing bentet.
rock grained nggoleki, rock opaque
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