definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
mugearite jinis oligoclase prewangan basalt, uga dumadi saka olivine, apatite, lan oksida opaque
Sajarah
asal
pennsylvania, kita
Skye, Scotland
panemu
Ora dingerteni
alfred Harker
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka mugear + -ite
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock opaque