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
greenschist punika rock metamorphic sing dibentuk miturut Suhu paling lan tekanan lan biasane diprodhuksi dening metamorphism regional
saka mineral kayata chlorite, Serpentine, lan epidote, lan mineral platy kayata muscovite lan platy Serpentine kang ijo ing warna
awet rock, medium atose rock
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque