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Obsidian
Obsidian

Litchfieldite
Litchfieldite



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Litchfieldite

Obsidian lan Litchfieldite 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
litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite
1.2 Sajarah
1.2.1 asal
Ethiopia
usa
1.2.2 panemu
obsius
Bayley
1.3 Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka occurrence ing Litchfield, maine, usa
1.4 kelas
batuan beku
batuan beku
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
vulkanik
plutonic
1.6 kategori liyane
rock opaque
rock grained coarse, rock opaque