1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
amphibolite bisa ditegesake minangka rock metamorphic granular kang utamané kalebu hornblende lan plagioclase
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
dingerteni
1.2.2 panemu
Dingertèni
Alexandre brongniart
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka amphibole + -ite
1.4 kelas
rocks metamorphic
rocks metamorphic
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, medium rock grained, rock opaque