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
banyu-telat endhepan Mineral asil saka konsentrasi lan crystallization dening penguapan saka solusi banyu
Sajarah
asal
Ethiopia
usa
panemu
obsius
usiglio
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka endhepan kiwa sawise penguapan
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kulawarga
group
vulkanik
-
kategori liyane
rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque