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