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
watu gamping punika rock sedimentary dumadi saka biasane kalsit lan aragonite, kang formulir Crystal beda saka kalsium karbonat
Sajarah
asal
Ethiopia
new zealand
panemu
obsius
belsazar hacquet
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka jeruk lan watu ing pungkasan abad kaping-14
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
-
kategori liyane
rock opaque
rock grained nggoleki, rock opaque