Properties of Pumice lan Trachyte
ukuran gandum
grained nggoleki
grained nggoleki
rengat
planar
ora kasedhiya
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
kurang keropos
cleavage
sampurna
ora kasedhiya
kateguhan
3
ora kasedhiya
tartamtu gravitasi
2.86
2.7
Kapadhetan
0.25-0.3 g / cm 3
2.43-2.45 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan
tahan panas, impact tahan, nyandhang tahan