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
banyu-telat endhepan Mineral asil saka konsentrasi lan crystallization dening penguapan saka solusi banyu
saka endhepan kiwa sawise penguapan
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque