1 Definition
1.1 definisi
teschenite punika coarse- kanggo nggoleki-grained, peteng-colored rock intrusive igneous sing biasane ana ing sills, dikes lan masal ora duwe aturan baku lan tansah ngrubah kanggo sawetara ombone
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
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka kedadeyan sawijining near teschen. saiki dikenal minangka cieszyn, POL., Scotland
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock opaque