definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
Quartzite punika rock non-foliated metamorphic sing formulir dening metamorphism saka sandstone quartz murni
medium rock grained, rock opaque
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