1 Definition
1.1 definisi
banget nggoleki rock fault grained kang dumadi saka matrik glassy sing asring ngandhut inclusions pecahan wall-rock.
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka pseudo- + tachylite, a rock glassy déning panas frictional ing bentet.
saka anthrakites greek, saka anthrax, anthrak meaning coal
1.4 kelas
rocks metamorphic
rocks metamorphic
1.4.1 sub-kelas
awet rock, hard rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque