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
tonalite punika rock plutonic coarse-grained dumadi utamané saka plagioclase sodic, kuarsa, hornblende utawa mineral mafic liyane karo susunan phaneritic
saka tonale pass, italy lor, + -ite1
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque