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
kapur iku alus, putih, watu gamping powdery dumadi utamané saka meriam fosil saka foraminifers
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka lawas kapur english cealc, jeruk, plester, krikil, asal saka basa Yunani khalix krikil cilik, ing english ditransfer menyang opaque, putih, watu gamping alus
1.4 kelas
batuan beku
rocks sedimentary
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque