1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
dingerteni
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
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