Properties of Porphyry lan Diorite
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
ora duwe aturan baku
-
porosity
kurang keropos
banget kurang keropos
tartamtu gravitasi
2.5-4
2.8-3
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
2.8-3 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan