Properties of Porphyry lan Gabbro
ukuran gandum
grained nggoleki
coarse grained
rengat
ora duwe aturan baku
conchoidal
porosity
kurang keropos
Highly keropos
luster
kurang
ora kasedhiya
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora kasedhiya
tartamtu gravitasi
2.5-4
2.86-2.87
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
2.7-3.3 g / cm 3
resistance
tahan panas, impact tahan
impact tahan, meksa tahan, nyandhang tahan