Properties of Porphyry lan Adakite
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
ora duwe aturan baku
conchoidal
porosity
kurang keropos
kurang keropos
luster
kurang
grainy, mutiyara lan vitreous
cleavage
cacat
ora kasedhiya
kateguhan
1.7
ora kasedhiya
tartamtu gravitasi
2.5-4
ora Sumadhiya
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan