1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
variolites iku sawijining klompok saka rocks peteng ijo dhasar igneous kang ngetokne bulak panggonan colored, utawa spherules, utamané ing lumahing weathered, sing menehi dheweke katon pockmarked
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
france
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka varius latin, blentongé, Variegated
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 opaque