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