definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
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
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
awet rock, medium atose rock
carbonatite iku intrusive utawa extrusive rock igneous kang ditetepake dening komposisi mineralogic, dumadi saka mineral karbonat luwih saka 50 persen
saka rock igneous intrusive, gadhah mayoritas mineral karbonat
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque