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
granophyre jinis rock granitic kang kasusun saka intergrown Feldspar lan quartz kristal ing medium kanggo nggoleki groundmass grained
saka granophyr german, saka Granit granit + porphyr
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque