Properties of Porphyry lan Comendite
ukuran gandum
grained nggoleki
grained medium
rengat
ora duwe aturan baku
mrembet
porosity
kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora kasedhiya
tartamtu gravitasi
2.5-4
2.38
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan