Properties of Porphyry lan Metapelite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
ora duwe aturan baku
fibrous
porosity
kurang keropos
Highly keropos
cleavage
cacat
ora kasedhiya
kateguhan
1.7
ora kasedhiya
tartamtu gravitasi
2.5-4
3.4-3.7
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
0-300 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan