Properties of Porphyry lan Tuff
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora duwe aturan baku
ora rata
porosity
kurang keropos
Highly keropos
luster
kurang
vitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora kasedhiya
kateguhan
1.7
ora kasedhiya
tartamtu gravitasi
2.5-4
2.73
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
1-1.8 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan