Obsidian lan Watu Pasir Definition
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
sandstone wis ditetepake minangka rock kang dumadi saka pari-parian wedhi-ukuran saka macem-macem mineral biasane ukuran seragam lan asring Gamelan lan dibunderaké
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka komposisi, wedhi lan watu
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained coarse, rock grained nggoleki, rock opaque