1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
teschenite punika coarse- kanggo nggoleki-grained, peteng-colored rock intrusive igneous sing biasane ana ing sills, dikes lan masal ora duwe aturan baku lan tansah ngrubah kanggo sawetara ombone
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
Scotland
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka kedadeyan sawijining near teschen. saiki dikenal minangka cieszyn, POL., Scotland
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