Properties of Porphyry lan Trachyte
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora duwe aturan baku
ora kasedhiya
porosity
kurang keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora kasedhiya
kateguhan
1.7
ora kasedhiya
tartamtu gravitasi
2.5-4
2.7
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
2.43-2.45 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, nyandhang tahan