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