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Pegmatite
Pegmatite

Obsidian
Obsidian



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Pegmatite
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Obsidian

Pegmatite lan Obsidian Definition

1 Definition
1.1 definisi
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
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
1.2 Sajarah
1.2.1 asal
dingerteni
Ethiopia
1.2.2 panemu
rj Hauy
obsius
1.3 Etimologi
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
1.4 kelas
batuan beku
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
plutonic
vulkanik
1.6 kategori liyane
rock grained coarse, rock opaque
rock opaque