1 Definition
1.1 definisi
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
migmatite biasane rock granitic ing rock inang metamorphic kang dumadi saka loro komponen intermingled nanging pisah
1.2 Sajarah
1.2.1 asal
spain
Alps kidul, prancis
1.2.2 panemu
Dingertèni
Jakob sederholm
1.3 Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka migma tembung yunani sing artine dicampur
1.4 kelas
batuan beku
rocks metamorphic
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
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque