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