definisi
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
panemu
Dingertèni
iddings
Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka panggonan asal disebut shoshone riverin wyoming
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque