1 Definition
1.1 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
oolite punika rock sedimentary kawangun saka ooids, pari-parian bundher kang dumadi saka lapisan concentric saka kalsit
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka oo- + -lite, sawise oolit german. a rock dumadi saka pari-parian nggoleki karbonat saka jeruk
1.4 kelas
batuan beku
rocks sedimentary
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock opaque
rock grained nggoleki, rock opaque