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
a hidrasi lan transformasi metamorphic saka ultramafic rock saka lapisan bumi diarani minangka serpentinization, klompok mineral wis kawangun dening serpentinization nyipta 'serpentinite' rock.
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka tembung serpentinization english.
1.4 kelas
batuan beku
rocks metamorphic
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock opaque
rock grained nggoleki, rock opaque