Properties of Gritstone lan Porphyry
ukuran gandum
coarse grained
grained nggoleki
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
1.7
tartamtu gravitasi
2.250
2.5-4
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.2 g / cm 3
2.5-2.52 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan