1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
gabbro iku sawijining igneous rock intrusive kang kimia padha karo kanggo basalt plutonic
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
germany
1.2.2 panemu
Dingertèni
christian Leopold von Buch
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka latin glaber gundhul, Gamelan, gundul
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque