definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
lignite punika coal brownish alus kang nuduhake ngambah tetanduran lan ing antarané coal bituminous lan peat
saka french, kayu lignum latin + -ite1
rock grained coarse, rock grained nggoleki, 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