definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
Sajarah
asal
usa
pennsylvania, kita
panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka anthrakites greek, saka anthrax, anthrak meaning coal
kelas
rocks metamorphic
rocks metamorphic
sub-kelas
awet rock, rock alus
awet rock, rock alus
kulawarga
group
-
-
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque