definisi
sovite macem-macem coarse-grained saka carbonatite kang belongs kanggo intrusive rock igneous
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
Sajarah
asal
-
Ethiopia
panemu
Ora dingerteni
obsius
Etimologi
-
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kulawarga
group
plutonic
vulkanik
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock opaque