Obsidian lan Dolomit Definition
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
dolomite punika rock sedimentary ngemot luwih saka 50 persen saka dolomite Mineral dening bobot
asal
Ethiopia
Alps kidul, prancis
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka french, saka jeneng dolomieu (1750-1801), geologis french sing ditemokaké rock ing
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque