Obsidian lan Aplite 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
aplite punika granit nggoleki-grained dumadi utamané Feldspar lan quartz
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka aplit german, saka haploos greek prasaja + -ite
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock opaque
rock grained nggoleki, rock opaque