Properties of Porphyry lan Gossan
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
ora duwe aturan baku
conchoidal
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
cleavage
cacat
ora kasedhiya
kateguhan
1.7
ora kasedhiya
tartamtu gravitasi
2.5-4
2.0
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan