Properties of Tachylite lan Pumice
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
tilas
.Bangunan
putih, greenish putih utawa abu-abu
porosity
kurang keropos
Highly keropos
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
3
tartamtu gravitasi
2.4
2.86
Kapadhetan
3.058 g / cm 3
0.25-0.3 g / cm 3
resistance
tahan panas, impact tahan, nyandhang tahan
impact tahan, meksa tahan