Properties of Porphyry lan Wehrlite
ukuran gandum
grained nggoleki
coarse grained
rengat
ora duwe aturan baku
ora duwe aturan baku
porosity
kurang keropos
kurang keropos
tartamtu gravitasi
2.5-4
8.4
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
2.6-3.7 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan