definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
wesi sugih rock extrusive ditemokake minangka anggota saka alkali basalt magma seri
asal
pennsylvania, kita
Pulo cilik saka Mull, Scotland
panemu
Ora dingerteni
ben luwih
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka jeneng panemu, ben liyane
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque