Properties of Pumice lan Krikel
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
planar
ora kasedhiya
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
Highly keropos
tartamtu gravitasi
2.86
2.2-2.8
Kapadhetan
0.25-0.3 g / cm 3
2.4-2.8 g / cm 3
resistance
impact tahan, meksa tahan
tahan panas, impact tahan