Properties of Watu Pasir lan Pumice
ukuran gandum
coarse utawa nggoleki
grained nggoleki
tilas
putih
putih, greenish putih utawa abu-abu
porosity
Highly keropos
Highly keropos
cleavage
sampurna
sampurna
tartamtu gravitasi
2.2-2.8
2.86
Kapadhetan
2.2-2.8 g / cm 3
0.25-0.3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
impact tahan, meksa tahan