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
jaspillite iku wesi sugih kimia kawangun rock kang umum ing banded wesi rocks tatanan
1.2 Sajarah
1.2.1 asal
Ethiopia
western australia, Minnesota
1.2.2 panemu
1.3 Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka jaspilite (mineral), a rock siliceous kompak kang meh podho jasper
1.4 kelas
batuan beku
rocks sedimentary
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock opaque
rock grained coarse, rock opaque