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Granit
Granit

Obsidian
Obsidian



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Obsidian

Granit lan Obsidian Definition

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Definition

definisi

granit punika banget hard, granular, rock kristal beku kang kasusun utamané saka kuarsa, mica, lan Feldspar lan asring digunakake minangka bangunan watu
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

Sajarah

asal

-
Ethiopia

panemu

Alexander von Humboldt
obsius

Etimologi

saka granito italian, kang tegese rock grained, saka gandum grano, lan saka granum latin
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

kelas

batuan beku
batuan beku

sub-kelas

awet rock, hard rock
awet rock, medium atose rock

kulawarga

group

plutonic
vulkanik

kategori liyane

rock grained coarse, rock opaque
rock opaque