definisi
asal
panemu
Etimologi
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sub-kelas
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kategori liyane
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
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
awet rock, medium atose rock
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
rock grained nggoleki, rock opaque