Obsidian lan Benmoreite Definition

Obsidian

Benmoreite

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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

wesi sugih rock extrusive ditemokake minangka anggota saka alkali basalt magma seri

1.2 Sajarah

1.2.1 asal

Ethiopia

Pulo cilik saka Mull, Scotland

1.2.2 panemu

obsius

ben luwih

1.3 Etimologi

saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

saka jeneng panemu, ben liyane

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock opaque

rock grained nggoleki, rock opaque

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