definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
krikel punika rock sedimentary nggoleki-grained kang kawangun dening compaction saka silt lan lempung-ukuran partikel mineral
asal
pennsylvania, kita
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panemu
Ora dingerteni
Johann Gottlob Lehmann
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka german watu gamping schalstein laminated, lan lapisan schalgebirge saka watu ing rock stratified. saka scealu english lawas ing bab saka- pangertèn basa sing kapérang pisah,
kelas
rocks metamorphic
rocks sedimentary
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