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
dolomite punika rock sedimentary ngemot luwih saka 50 persen saka dolomite Mineral dening bobot
1.2 Sajarah
1.2.1 asal
spain
Alps kidul, prancis
1.2.2 panemu
1.3 Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka french, saka jeneng dolomieu (1750-1801), geologis french sing ditemokaké rock ing
1.4 kelas
batuan beku
rocks sedimentary
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