Properties of Pumice lan Quartzite
ukuran gandum
grained nggoleki
grained medium
rengat
planar
ora rata, splintery utawa conchoidal
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
kurang keropos
cleavage
sampurna
indiscernible
tartamtu gravitasi
2.86
2.6-2.8
transparan
opaque
transparent kanggo Translucent
Kapadhetan
0.25-0.3 g / cm 3
2.32-2.42 g / cm 3
resistance
impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan