1 Definition
1.1 definisi
marmer iki rock metamorphic non-foliated kang dumadi saka recrystallized karbonat kang kawangun nalika watu gamping wis kapapar dhuwur Suhu lan tekanan ing wektu dawa
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 marmaros greek, mencorong watu lan uga saka tembung english meaning marmoreal marmer-kaya
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
medium rock grained, rock opaque
rock opaque