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Obsidian
Obsidian

Wackestone
Wackestone



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Obsidian lan Wackestone Definition

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 rock karbonat kang matrix didhukung lan ngandhut liwat 10% allochems ing matrik lendhut karbonat.
1.2 Sajarah
1.2.1 asal
Ethiopia
dingerteni
1.2.2 panemu
obsius
Dingertèni
1.3 Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka lendhut english lan watu, saka mudde low german lan stainaz
1.4 kelas
batuan beku
rocks sedimentary
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
vulkanik
ora ditrapake
1.6 kategori liyane
rock opaque
rock grained nggoleki, rock opaque