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
mylonite punika rock metamorphic kawangun dening ewah-ewahan bentuk ductile sak shearing kuat pinanggih sak lempitan lan faulting, proses kasebut cataclastic utawa metamorphism dinamis
saka pabrik mulōn greek + -ite
awet rock, medium atose rock
rock grained nggoleki, rock opaque