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
syenite nepheline punika rock plutonic holocrystalline resembling syenite nanging ngemot nepheline lan kakurangan quartz
saka asal saka syenite palaeozoic nepheline saka Provinsi Shanxi lor, china
awet rock, medium atose rock
rock grained nggoleki, rock opaque