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
amphibolite bisa ditegesake minangka rock metamorphic granular kang utamané kalebu hornblende lan plagioclase
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Dingertèni
Alexandre brongniart
1.3 Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka amphibole + -ite
1.4 kelas
batuan beku
rocks metamorphic
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, medium rock grained, rock opaque