Properties of Porphyry lan Hornfels
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora duwe aturan baku
conchoidal
porosity
kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
kateguhan
1.7
durung ketemu
tartamtu gravitasi
2.5-4
3.4-3.9
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
0.25-0.30 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan