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
whiteschist klebu jenis rock umum gadhahanipun kelas rock metamorphic, iki kawangun ing tekanan dhuwur-ultra-high
Sajarah
asal
Ethiopia
tasmania
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka schiste french, skhistos greek IE pamisah
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kulawarga
group
vulkanik
-
kategori liyane
rock opaque
rock grained nggoleki, medium rock grained, rock opaque