definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
hawaiite rock vulkanik sing meh podho basalt. iku basalt olivine karo komposisi antarané olivine alkali lan mugearite
Sajarah
asal
pennsylvania, kita
pulo hawaii
panemu
Ora dingerteni
joseph iddings
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka hawaii pulo
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