Properties of Minette lan Porphyry
ukuran gandum
nggoleki kanggo coarse grained
grained nggoleki
rengat
conchoidal
ora duwe aturan baku
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
kurang
cleavage
conchoidal
cacat
kateguhan
ora kasedhiya
1.7
tartamtu gravitasi
2.86-2.87
2.5-4
transparan
tembus kanggo opaque
tembus kanggo opaque
Kapadhetan
2.95-2.96 g / cm 3
2.5-2.52 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan