definisi
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
dunite ijo kanggo brownish coarse-grained rock igneous utamané dumadi saka olivine
asal
Ethiopia
new zealand
panemu
obsius
ferdinand von hochstetter
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka jeneng dun gunung, zealand anyar, + -ite1
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kategori liyane
rock opaque
rock grained coarse, rock opaque