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
sovite macem-macem coarse-grained saka carbonatite kang belongs kanggo intrusive rock igneous
Sajarah
asal
Ethiopia
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panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
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kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kulawarga
group
vulkanik
plutonic
kategori liyane
rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque