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