definisi
obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal
charnockite iku macem-macem granit ngemot mineral orthopyroxene, kuarsa, Feldspar
Sajarah
asal
Ethiopia
tamil nadu, india
panemu
obsius
th holland
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka charnock proyek, lan administtrator perusahaan india wétan
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
plutonic
kategori liyane
rock opaque
rock grained coarse, rock opaque