Properties of Pumice lan Diorite
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
planar
ora kasedhiya
tilas
putih, greenish putih utawa abu-abu
bluish ireng
porosity
Highly keropos
banget kurang keropos
cleavage
sampurna
ora kasedhiya
tartamtu gravitasi
2.86
2.8-3
Kapadhetan
0.25-0.3 g / cm 3
2.8-3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan
tahan panas, meksa tahan, nyandhang tahan