Properties of Gritstone lan Pyrolite
ukuran gandum
coarse grained
coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
kurang keropos
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
2.250
3-3.01
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.2 g / cm 3
3.1-3.4 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan, nyandhang tahan