1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
pyrolite iku sawijining rock igneous dumadi saka watara telung bagean peridotite lan siji bagéan saka basalt
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
pike county, kita
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka komposisi kimia lan mineral saka lapisan ndhuwur bumi
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose 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