1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
norite punika mafic intrusive igneous rock dumadi umumé saka calcium-sugih plagioclase labradorite, orthopyroxene, lan olivine
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
norway
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka jeneng norwegian kanggo norway, Norge
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