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